{"id":20557,"date":"2025-07-07T18:40:52","date_gmt":"2025-07-07T11:40:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20557"},"modified":"2025-07-07T18:40:52","modified_gmt":"2025-07-07T11:40:52","slug":"axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/","title":{"rendered":"Axit axetic: C\u00f4ng th\u1ee9c, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Dinh_nghia_Axit_axetic_la_gi\" >\u0110\u1ecbnh ngh\u0129a Axit axetic l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Tinh_chat_vat_ly_cua_axit_axetic_la_gi\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a axit axetic l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Tinh_chat_hoa_hoc_cua_axit_axetic\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit axetic<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Axit_axetic_la_mot_axit_yeu_%E2%80%93_co_tinh_chat_day_du_cua_mot_axit\" >Axit axetic l\u00e0 m\u1ed9t axit y\u1ebfu \u2013 c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a m\u1ed9t axit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Axit_axetic_tac_dung_voi_ruou_etylic\" >Axit axetic t\u00e1c d\u1ee5ng v\u1edbi r\u01b0\u1ee3u etylic<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Cach_dieu_che_axit_axetic\" >C\u00e1ch \u0111i\u1ec1u ch\u1ebf axit axetic<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Dieu_che_axit_axetic_tu_ruou_etylic\" >\u0110i\u1ec1u ch\u1ebf axit axetic t\u1eeb r\u01b0\u1ee3u etylic<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Oxy_hoa_butan\" >Oxy h\u00f3a butan<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Cac_ung_dung_quan_trong_cua_axit_axetic\" >C\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a axit axetic<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Ung_dung_axit_axetic_trong_cong_nghiep\" >\u1ee8ng d\u1ee5ng axit axetic trong c\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Ung_dung_axit_axetic_trong_y_hoc\" >\u1ee8ng d\u1ee5ng axit axetic trong y h\u1ecdc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Ung_dung_axit_axetic_voi_con_nguoi_ham_luong_4-8\" >\u1ee8ng d\u1ee5ng axit axetic v\u1edbi con ng\u01b0\u1eddi (h\u00e0m l\u01b0\u1ee3ng 4-8%)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Axit_axetic_co_doc_khong_Tac_dong_den_suc_khoe_con_nguoi_nhu_the_nao\" >Axit axetic c\u00f3 \u0111\u1ed9c kh\u00f4ng? T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Bai_tap_ve_axit_axetic_SGK_kem_loi_giai\" >B\u00e0i t\u1eadp v\u1ec1 axit axetic SGK k\u00e8m l\u1eddi gi\u1ea3i<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Giai_Bai_1_trang_143_SGK_Hoa_9\" >Gi\u1ea3i B\u00e0i 1 trang 143 SGK H\u00f3a 9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Giai_Bai_5_Hoa_9_SGK_trang_143\" >Gi\u1ea3i B\u00e0i 5 Ho\u00e1 9 SGK trang 143<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Giai_Bai_6_trang_143_SGK_Hoa_9\" >Gi\u1ea3i B\u00e0i 6 trang 143 SGK H\u00f3a 9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Giai_bai_7_Hoa_9_SGK_trang_143\" >Gi\u1ea3i b\u00e0i 7 Ho\u00e1 9 SGK trang 143<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-axetic-cong-thuc-tinh-chat-ung-dung-va-bai-tap-thuc-hanh\/#Mot_so_bai_tap_ve_acid_axetic_de_hoc_sinh_tu_luyen\" >M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u1ec1 acid axetic \u0111\u1ec3 h\u1ecdc sinh t\u1ef1 luy\u1ec7n<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">Axit axetic (hay c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 gi\u1ea5m \u0103n) l\u00e0 dung d\u1ecbch thu \u0111\u01b0\u1ee3c khi l\u00ean men r\u01b0\u1ee3u etylic lo\u00e3ng. M\u1ee9c ti\u00eau th\u1ee5 axit axetic tr\u00ean to\u00e0n th\u1ebf gi\u1edbi l\u00ean \u0111\u1ebfn 6,5 tri\u1ec7u t\u1ea5n m\u1ed7i n\u0103m. C\u00f9ng t\u00ecm hi\u1ec3u c\u00f4ng th\u1ee9c, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh v\u1ec1 lo\u1ea1i ch\u1ea5t quen thu\u1ed9c n\u00e0y.\u00a0<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_nghia_Axit_axetic_la_gi\"><\/span>\u0110\u1ecbnh ngh\u0129a Axit axetic l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Axit axetic l\u00e0 m\u1ed9t lo\u1ea1i h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 t\u00ednh axit kh\u00e1 m\u1ea1nh. Lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb r\u1ea5t l\u00e2u \u0111\u1eddi c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng nhi\u1ec1u trong s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m, c\u00f4ng nghi\u1ec7p hay y h\u1ecdc\u2026<\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c vi\u1ebft g\u1ecdn:\u00a0CH3COOH<\/p>\n<p dir=\"ltr\">G\u1ed3m 1 nh\u00f3m -OH li\u00ean k\u1ebft v\u1edbi nh\u00f3m C=O t\u1ea1o th\u00e0nh nh\u00f3m -COOH, ch\u00ednh nh\u00f3m \u2013COOH (Cacboxyl) \u0111\u00e3 l\u00e0m cho ph\u00e2n t\u1eed c\u00f3 t\u00ednh axit, t\u1ea1o n\u00ean t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a axit axetic.<\/p>\n<p dir=\"ltr\">\u0110\u00e2y c\u00f2n l\u00e0 m\u1ed9t\u00a0ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u v\u00e0 l\u00e0 axit h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1. Gi\u1ea5m c\u00f3 t\u1ed1i thi\u1ec3u 4% axit axetic theo th\u1ec3 t\u00edch. \u0110i\u1ec1u \u0111\u00f3 khi\u1ebfn axit axetic l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong gi\u1ea5m ngo\u00e0i n\u01b0\u1edbc.<\/p>\n<p dir=\"ltr\">Ngo\u00e0i t\u00ean g\u1ecdi tr\u00ean, s\u1ea3n ph\u1ea9m n\u00e0y c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi nh\u1eefng t\u00ean kh\u00e1c nh\u01b0: Etanoic, Hydro axetat (HAc), Ethylic acid, Axit methane carboxylic, gi\u1ea5m, acetic acid, Acid ethanol\u2026<\/p>\n<p dir=\"ltr\">\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/cach-dieu-che-axit-axetic-6.1.jpg\" alt=\"Axit axetic l\u00e0 g\u00ec? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: CH3CO2H<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e2n t\u1eed kh\u1ed1i: 60<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed:\u00a0<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-cau-tao-phan-tu.jpg\" alt=\"C\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o axit axetic. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_axit_axetic_la_gi\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a axit axetic l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a axit axetic (CH3COOH) nh\u01b0 sau:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-8.jpg\" alt=\"T\u00ecm hi\u1ec3u tunhs ch\u1ea5t v\u1eadt l\u00fd axit axetic. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u00e2y l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u. Khi n\u1ebfm s\u1ebd th\u1ea5y c\u00f3 v\u1ecb chua. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a axit axetic: 1.049 g\/cm3 (l), 1.266 g\/cm3 (s).<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: 16.5 \u0111\u1ed9 C.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a axit axetic l\u00e0: 118.2 \u0111\u1ed9 C. Nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a ch\u1ea5t n\u00e0y l\u1edbn h\u01a1n r\u01b0\u1ee3u d\u00f9 ch\u00fang c\u00f9ng ph\u00e2n t\u1eed kh\u1ed1i v\u00ec c\u00f3 s\u1ef1 li\u00ean k\u1ebft b\u1ec1n v\u1eefng c\u1ee7a c\u00e1c ph\u00e2n t\u1eed hydro. Ngo\u00e0i ra, do g\u1ed1c O-H c\u1ee7a axit axetic ph\u00e2n c\u1ef1c m\u1ea1nh h\u01a1n c\u1ee7a ROH (ancol) n\u00ean kh\u1ea3 n\u0103ng t\u1ea1o li\u00ean k\u1ebft hydro c\u0169ng l\u1edbn h\u01a1n c\u1ee7a alcohol. Nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a c\u00e1c ch\u1ea5t c\u00f3 c\u00f9ng ph\u00e2n t\u1eed kh\u1ed1i v\u1edbi axit axetic \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp nh\u01b0 sau:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\" style=\"text-align: center\">CH3COOH &gt; CH3CH2OH &gt; CH3-COO-CH3 &gt; CH3-CHO &gt; CH3CH2Cl &gt; C2H6<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi \u0111un n\u00f3ng, axit axetic c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf l\u01b0u hu\u1ef3nh v\u00e0 photpho.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u00e2n t\u1eed axit axetic l\u00e0 ph\u00e2n t\u1eed ph\u00e2n c\u1ef1c n\u00ean ngo\u00e0i vi\u1ec7c c\u00f3 th\u1ec3 tan t\u1ed1t trong c\u00e1c h\u1ee3p ch\u1ea5t ph\u00e2n c\u1ef1c nh\u01b0 n\u01b0\u1edbc th\u00ec n\u00f3 c\u0169ng tan \u0111\u01b0\u1ee3c trong c\u00e1c h\u1ee3p ch\u1ea5t kh\u00f4ng ph\u00e2n c\u1ef1c nh\u01b0 d\u1ea7u, hexan, xenlulozo v\u00e0 nhi\u1ec1u nguy\u00ean t\u1ed1 h\u00f3a h\u1ecdc kh\u00e1c nh\u01b0 l\u01b0u hu\u1ef3nh v\u00e0 iot.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_axit_axetic\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit axetic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Nguy\u00ean t\u1eed hydro trong nh\u00f3m cacboxyl c\u00f3 kh\u1ea3 n\u0103ng cung c\u1ea5p m\u1ed9t proton H+ v\u00e0 l\u00e0m axit axetic c\u00f3 t\u00ednh ch\u1ea5t axit. \u0110i\u1ec1u n\u00e0y quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit axetic.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Axit_axetic_la_mot_axit_yeu_%E2%80%93_co_tinh_chat_day_du_cua_mot_axit\"><\/span>Axit axetic l\u00e0 m\u1ed9t axit y\u1ebfu \u2013 c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a m\u1ed9t axit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 ch\u1ee9ng minh axit axetic l\u00e0 m\u1ed9t axit y\u1ebfu, ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m d\u01b0\u1edbi \u0111\u00e2y. Cho dung d\u1ecbch axit axetic l\u1ea7n l\u01b0\u1ee3t v\u00e0o c\u00e1c \u1ed1ng nghi\u1ec7m \u0111\u1ef1ng l\u1ea7n l\u01b0\u1ee3t c\u00e1c ch\u1ea5t: Qu\u1ef3 t\u00edm, dung d\u1ecbch NAOH c\u00f3 phenolphtalein, CuO, Zn, Na2CO3.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit_axetic_la_axit_yeu.png\" alt=\"Th\u00ed nghi\u1ec7m ch\u1ee9ng minh axit axetic l\u00e0 m\u1ed9t axit y\u1ebfu. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra c\u1ee7a nh\u1eefng th\u00ed nghi\u1ec7m n\u00e0y l\u00e0 g\u00ec?\u00a0<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Dung di\u0323ch axit axetic co\u0301 ti\u0301nh axit la\u0300m quy\u0300 t\u00edm chuy\u00ea\u0309n \u0111o\u0309.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Khi nh\u1ecf dung d\u1ecbch axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a Zn, m\u1ea9u Zn tan d\u1ea7n, c\u00f3 kh\u00ed kh\u00f4ng m\u00e0u tho\u00e1t ra kh\u1ecfi dung d\u1ecbch. Ph\u01b0\u01a1ng tr\u00ecnh:<\/li>\n<\/ul>\n<p style=\"text-align: center\">Zn + 2CH3COOH\u2192 (CH3COO)2Zn+ H2\u2191<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Khi nh\u1ecf dung d\u1ecbch axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a CuO, b\u1ed9t CuO tan d\u1ea7n, dung d\u1ecbch chuy\u1ec3n t\u1eeb kh\u00f4ng m\u00e0u sang xanh lam. Ph\u01b0\u01a1ng tr\u00ecnh:<\/li>\n<\/ul>\n<p style=\"text-align: center\">CuO + 2CH3COOH\u2192 (CH3COO)2Cu+ H2O<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Khi nh\u1ecf dung d\u1ecbch axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a NaOH c\u00f3 phenolphtalein, m\u00e0u h\u1ed3ng c\u1ee7a dung d\u1ecbch trong \u1ed1ng nghi\u1ec7m bi\u1ebfn m\u1ea5t.\u00a0 Ph\u01b0\u01a1ng tr\u00ecnh:<\/li>\n<\/ul>\n<p style=\"text-align: center\">NaOH + CH3COOH \u2192 CH3COONa H2O<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Khi nh\u1ecf dung d\u1ecbch axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m ch\u1ee9a Na2CO3, Na2CO3 tan d\u1ea7n, c\u00f3 kh\u00ed kh\u00f4ng m\u00e0u tho\u00e1t ra kh\u1ecfi dung d\u1ecbch.\u00a0 Ph\u01b0\u01a1ng tr\u00ecnh:<\/li>\n<\/ul>\n<p style=\"text-align: center\">Na2CO3+ 2CH3COOH \u2192 2CH3COONa + CO2\u2191 + H2O<\/p>\n<p dir=\"ltr\">T\u1eeb nh\u1eefng th\u00ed nghi\u1ec7m tr\u00ean, ta c\u00f3 k\u1ebft lu\u1eadn v\u1ec1 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit axetic nh\u01b0 sau:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Axit axetic l\u00e0 m\u1ed9t axit h\u1eefu c\u01a1 c\u00f3 t\u00ednh ch\u1ea5t c\u1ee7a m\u1ed9t axit. Tuy nhi\u00ean, \u0111\u00e2y l\u00e0 m\u1ed9t axit y\u1ebfu thu\u1ed9c nh\u00f3m axit monoprotic.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Axit axetic t\u00e1c d\u1ee5ng v\u1edbi baz\u01a1, cacbonat v\u00e0 bicacbonat. Khi t\u00e1c d\u1ee5ng v\u1edbi c\u00e1c ch\u1ea5t tr\u00ean, s\u1ea3n ph\u1ea9m t\u1ea1o ra s\u1ebd l\u00e0 axetat kim lo\u1ea1i t\u01b0\u01a1ng \u1ee9ng, n\u01b0\u1edbc v\u00e0 cacbonic. Ph\u1ed5 bi\u1ebfn nh\u1ea5t s\u1ebd l\u00e0 natri bicacbonat v\u1edbi gi\u1ea5m \u0103n.\u00a0 Ph\u01b0\u01a1ng tr\u00ecnh:<\/li>\n<\/ul>\n<p style=\"text-align: center\">NaHCO3 + CH3COOH \u2192 CH3COONa + CO2 + H2O<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Axit axetic t\u00e1c d\u1ee5ng v\u1edbi ki\u1ec1m t\u1ea1o ra n\u01b0\u1edbc v\u00e0 ethanoate kim lo\u1ea1i. Ph\u01b0\u01a1ng tr\u00ecnh: NaOH + CH3COOH \u2192 CH3COONa + H2O<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">Axit axetic khi b\u1ecb ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 l\u1edbn h\u01a1n 440 \u0111\u1ed9 C s\u1ebd t\u1ea1o th\u00e0nh cacbonic, metan ho\u1eb7c ethenon v\u00e0 n\u01b0\u1edbc.<\/li>\n<li dir=\"ltr\" role=\"presentation\">Axit axetic t\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i tr\u01b0\u1edbc H, gi\u1ea3i ph\u00f3ng H2. Axit axetic c\u00f3 kh\u1ea3 n\u0103ng \u0103n m\u00f2n c\u00e1c lo\u1ea1i kim lo\u1ea1i kh\u00e1c nhau \u0111\u1ec3 t\u1ea1o ra kh\u00ed hydro v\u00e0 c\u00e1c mu\u1ed1i axetat. V\u00ed d\u1ee5 nh\u01b0 khi ch\u00fang ph\u1ea3n \u1ee9ng v\u1edbi nh\u00f4m s\u1ebd c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc l\u00e0:<\/li>\n<\/ul>\n<p style=\"text-align: center\">Mg + 2CH3COOH \u2192 (CH3COO)2Mg + H2<\/p>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Nh\u00f4m th\u1ee5 \u0111\u1ed9ng v\u1edbi axit axetic v\u00ec khi ph\u1ea3n \u1ee9ng, ch\u00fang s\u1ebd t\u1ea1o ra l\u1edbp m\u00e0ng m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t l\u00e0 nh\u00f4m oxit \u0111\u1ec3 ng\u0103n ch\u1eb7n l\u1ea1i s\u1ef1 \u0103n m\u00f2n h\u00f3a h\u1ecdc. \u0110\u00f3 l\u00e0 l\u00fd do m\u00e0 th\u00f9ng nh\u00f4m th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u1ef1ng axit axetic.\u00a0\u00a0<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\" role=\"presentation\">Axit axetic t\u00e1c d\u1ee5ng v\u1edbi mu\u1ed1i c\u1ee7a axit y\u1ebfu h\u01a1n, v\u00ed d\u1ee5:<\/li>\n<\/ul>\n<p dir=\"ltr\" style=\"text-align: center\">\u00a0 2CH3COOH + CaCO3 \u2192 (CH3COO)2 Ca + CO2 + H2O\u00a0 \u00a0<\/p>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #fbeeb8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\">\n<p style=\"text-align: center\">X\u00c2Y D\u1ef0NG N\u1ec0N T\u1ea2NG TO\u00c1N H\u1eccC V\u1eeeNG CH\u1eaeC CHO TR\u1eba T\u1eea NH\u1ece V\u1edaI \u0110A PH\u01af\u01a0NG PH\u00c1P D\u1ea0Y H\u1eccC T\u00cdCH C\u1ef0C, CHI PH\u00cd C\u1ef0C R\u1eba CH\u01afA \u0110\u1ebeN 2K\/NG\u00c0Y C\u00d9NG MONKEY MATH.<\/p>\n<p>\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" style=\"margin-left: auto;margin-right: auto\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/timhieungay.png\" alt=\"\" width=\"185\" height=\"38\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Axit_axetic_tac_dung_voi_ruou_etylic\"><\/span>Axit axetic t\u00e1c d\u1ee5ng v\u1edbi r\u01b0\u1ee3u etylic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/p>\n<p dir=\"ltr\">\u0110\u1ec3 t\u00ecm hi\u1ec3u axit axetic t\u00e1c d\u1ee5ng v\u1edbi r\u01b0\u1ee3u etylic nh\u01b0 th\u1ebf n\u00e0o, ng\u01b0\u1eddi ta l\u00e0m th\u00ed nghi\u1ec7m d\u01b0\u1edbi \u0111\u00e2y. Cho r\u01b0\u1ee3u etylic, axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m A, th\u00eam m\u1ed9t ch\u00fat axit sunfuric \u0111\u1eb7c l\u00e0m x\u00fac t\u00e1c. \u0110un s\u00f4i h\u1ed7n h\u1ee3p trong m\u1ed9t th\u1eddi gian, sau \u0111\u00f3 ng\u1eebng \u0111un. Th\u00eam m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0o ch\u1ea5t l\u1ecfng ng\u01b0ng t\u1ee5 trong \u1ed1ng nghi\u1ec7m B, l\u1eafc nh\u1eb9 r\u1ed3i quan s\u00e1t.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-7.png\" alt=\"Th\u00ed nghi\u1ec7m axit axetic t\u00e1c d\u1ee5ng v\u1edbi r\u01b0\u1ee3u etylic. (\u1ea2nh: Ch\u1ee5p m\u00e0n h\u00ecnh)\" width=\"100%\"><\/p>\n<\/p>\n<p dir=\"ltr\">Sau m\u1ed9t th\u1eddi gian, ta quan s\u00e1t th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng: Trong \u1ed1ng nghi\u1ec7m B c\u00f3 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, m\u00f9i th\u01a1m, kh\u00f4ng tan trong n\u01b0\u1edbc, n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc.\u00a0<\/p>\n<p dir=\"ltr\">Nh\u01b0 v\u1eady, r\u01b0\u1ee3u etylic t\u00e1c d\u1ee5ng v\u1edbi axit axetic t\u1ea1o ra etyl axetat. \u0110\u00e2y l\u00e0 ch\u1ea5t l\u1ecfng, m\u00f9i th\u01a1m, \u00edt tan trong n\u01b0\u1edbc, d\u00f9ng l\u00e0m dung m\u00f4i trong c\u00f4ng nghi\u1ec7p.<\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng tr\u00ean x\u1ea3y ra theo ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc:\u00a0<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">C2H5OH + CH3COOH\u00a0 \u21c4 CH3COOC2H5 + H2O ( H2S04 \u0111\u1eb7c, nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">Xem th\u00eam:\u00a0<\/p>\n<ul>\n<li>R\u01b0\u1ee3u etylic (C2H6O): T\u00ednh ch\u1ea5t, c\u1ea5u t\u1ea1o ph\u00e2n t\u1eed, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1ch \u0111i\u1ec1u ch\u1ebf<\/li>\n<li>D\u1ea7u m\u1ecf l\u00e0 g\u00ec? Th\u00e0nh ph\u1ea7n v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_dieu_che_axit_axetic\"><\/span>C\u00e1ch \u0111i\u1ec1u ch\u1ebf axit axetic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Hi\u1ec7n nay c\u00f3 r\u1ea5t nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf axit axetic. C\u1ee5 th\u1ec3 l\u00e0:<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-9.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1ch \u0111i\u1ec1u ch\u1ebf axit axetic. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_axit_axetic_tu_ruou_etylic\"><\/span>\u0110i\u1ec1u ch\u1ebf axit axetic t\u1eeb r\u01b0\u1ee3u etylic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 s\u1ea3n xu\u1ea5t gi\u1ea5m \u0103n, ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p l\u00ean men t\u1eeb dung d\u1ecbch r\u01b0\u1ee3u etylic lo\u00e3ng theo ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">CH3CH2OH + O2\u00a0 \u2192 CH3COOH + 2H2O (x\u00fac t\u00e1c: Men gi\u1ea5m)<\/p>\n<p dir=\"ltr\">Ch\u00fa \u00fd: Nh\u1eefng h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ph\u00e2n t\u1eed c\u00f3 ch\u1ee9a nh\u00f3m -COOH, c\u00f3 c\u00f4ng th\u1ee9c th\u1ee9c CnH2n + 1 COOH \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 axit cacboxylic no \u0111\u01a1n ch\u1ee9c v\u00e0 c\u0169ng c\u00f3 t\u00ednh ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 axit axetic.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Oxy_hoa_butan\"><\/span>Oxy h\u00f3a butan<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong c\u00f4ng nghi\u1ec7p, axit axetic th\u01b0\u01a1ng m\u1ea1i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb butan C4H10 khi c\u00f3 ch\u1ea5t x\u00fac t\u00e1c v\u00e0 nhi\u1ec7t \u0111\u1ed9, di\u1ec5n ra theo ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">2C4H10 + 5O2 \u2192 4CH3COOH+ 2H2O (x\u00fac t\u00e1c, nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Butan \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Axit axetic<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cac_ung_dung_quan_trong_cua_axit_axetic\"><\/span>C\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a axit axetic<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Nhu c\u1ea7u to\u00e0n th\u1ebf gi\u1edbi v\u1ec1 axit axetic l\u00e0 kho\u1ea3ng 6,5 tri\u1ec7u t\u1ea5n m\u1ed7i n\u0103m. Sau \u0111\u00e2y l\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a axit axetic trong \u0111\u1eddi s\u1ed1ng.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-10.jpg\" alt=\"\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn axit axetic. (\u1ea2nh: Ch\u1ee5p m\u00e0n h\u00ecnh SGK H\u00f3a h\u1ecdc 9)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_axit_axetic_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng axit axetic trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kho\u1ea3ng 40% \u0111\u1ebfn 45% s\u1ea3n l\u01b0\u1ee3ng axit acetic tr\u00ean th\u1ebf gi\u1edbi \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t monome vinyl axetat &#8211; m\u1ed9t ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 s\u01a1n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f9ng \u0111\u1ec3 l\u00e0m dung m\u00f4i ho\u1eb7c d\u00f9ng \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 chua nh\u1eb9.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u1ea5m \u0103n ch\u00ednh l\u00e0 dung d\u1ecbch axit axetic t\u1eeb 5-7%. Gi\u1ea5m \u0103n \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00f4ng ngh\u1ec7 th\u1ef1c ph\u1ea9m \u0111\u1ec3 ch\u1ebf bi\u1ebfn \u0111\u1ed3 h\u1ed9p, rau, qu\u1ea3, gia v\u1ecb\u2026<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f9ng l\u00e0m ch\u1ea5t t\u1ea9y c\u1eb7n v\u00f4i t\u1eeb v\u00f2i n\u01b0\u1edbc v\u00e0 \u1ea5m \u0111un n\u01b0\u1edbc.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit axetic d\u00f9ng trong ng\u00e0nh d\u1ec7t nhu\u1ed9m, cao su, h\u00f3a ch\u1ea5t xi m\u1ea1.<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_axit_axetic_trong_y_hoc\"><\/span>\u1ee8ng d\u1ee5ng axit axetic trong y h\u1ecdc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit axetic c\u00f3 t\u00ednh kh\u00e1ng khu\u1ea9n hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t kh\u1eed tr\u00f9ng (v\u1edbi n\u1ed3ng \u0111\u1ed9 1% pha lo\u00e3ng). N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m thay th\u1ebf ng\u0103n ng\u1eeba nhi\u1ec5m tr\u00f9ng v\u00e0 ti\u00eau di\u1ec7t vi khu\u1ea9n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit axetic \u0111\u01b0\u1ee3c ch\u1ebf ph\u1ea9m th\u00e0nh thu\u1ed1c ch\u1ed1ng ti\u1ec3u \u0111\u01b0\u1eddng.\u00a0<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_axit_axetic_voi_con_nguoi_ham_luong_4-8\"><\/span>\u1ee8ng d\u1ee5ng axit axetic v\u1edbi con ng\u01b0\u1eddi (h\u00e0m l\u01b0\u1ee3ng 4-8%)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit axetic c\u00f3 t\u00e1c d\u1ee5ng \u1ee9c ch\u1ebf ho\u1ea1t \u0111\u1ed9ng th\u1ee7y ph\u00e2n \u0111\u01b0\u1eddng \u0111\u00f4i th\u00e0nh \u0111\u01b0\u1eddng \u0111\u01a1n v\u00e0 gi\u00fap gi\u1ea3m ch\u1ee9ng t\u0103ng \u0111\u01b0\u1eddng huy\u1ebft sau khi \u0103n, g\u00f3p ph\u1ea7n h\u1ed7 tr\u1ee3 gi\u1ea3m c\u00e2n n\u1eb7ng.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u1ea5m acid acetic gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 t\u00edch t\u1ee5 m\u1ee1 trong c\u01a1 th\u1ec3 v\u00e0 gan, gi\u1ea3m l\u01b0\u1ee3ng calo \u0111\u01b0a v\u00e0o c\u01a1 th\u1ec3 m\u1ed7i ng\u00e0y, qua \u0111\u00f3 gi\u00fap gi\u1ea3m m\u1ee1.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Gi\u1ea5m t\u00e1o l\u00e0 m\u1ed9t li\u1ec1u thu\u1ed1c h\u1eefu hi\u1ec7u \u0111\u1ec3 ch\u1ed1ng l\u00e3o h\u00f3a.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit axetic l\u00e0 m\u1ed9t axit h\u1eefu c\u01a1 mang t\u00ednh ch\u1ea5t c\u1ee7a m\u1ed9t axit \u0111\u1eb7c tr\u01b0ng, ph\u1ea3n \u1ee9ng v\u1edbi kim lo\u1ea1i t\u1ea1o ra lo\u1ea1i mu\u1ed1i trung h\u00f2a. \u0110i\u1ec1u n\u00e0y gi\u00fap axit axetic c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m tan s\u1ecfi trong th\u1eadn.\u00a0<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Axit_axetic_co_doc_khong_Tac_dong_den_suc_khoe_con_nguoi_nhu_the_nao\"><\/span>Axit axetic c\u00f3 \u0111\u1ed9c kh\u00f4ng? T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u00e1c chuy\u00ean gia h\u00f3a h\u1ecdc cho bi\u1ebft b\u1ea3n th\u00e2n axit axetic kh\u00f4ng ph\u1ea3i l\u00e0 ch\u1ea5t \u0111\u1ed9c cho c\u01a1 th\u1ec3 ng\u01b0\u1eddi, tuy nhi\u00ean n\u1ebfu d\u00f9ng n\u00f3 v\u1edbi li\u1ec1u l\u01b0\u1ee3ng l\u1edbn s\u1ebd d\u1eabn \u0111\u1ebfn t\u1eed vong. (Ngu\u1ed3n: b\u00e1o Thanh Ni\u00ean)<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-11_(1).jpg\" alt=\"C\u1ea9n tr\u1ecdng khi b\u1ea3o qu\u1ea3n axit axetic. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 h\u00f4 h\u1ea5p: Khi h\u00edt ph\u1ea3i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn axit axetic s\u1ebd g\u00e2y k\u00edch \u1ee9ng m\u0169i, c\u1ed5 h\u1ecdng v\u00e0 ph\u1ed5i, g\u00e2y t\u1ed5n h\u1ea1i nghi\u00eam tr\u1ecdng cho c\u00e1c l\u1edbp l\u00f3t c\u1ee7a c\u01a1 quan m\u0169i v\u00e0 sau \u0111\u00f3, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn kh\u00f3 th\u1edf.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">K\u00edch \u1ee9ng da:\u00a0Ti\u1ebfp x\u00fac qua da s\u1ebd g\u00e2y ra k\u00edch \u1ee9ng nh\u01b0 \u0111au, t\u1ea5y \u0111\u1ecf v\u00e0 m\u1ee5n n\u01b0\u1edbc, n\u1eb7ng h\u01a1n l\u00e0 b\u1ecfng sau m\u1ed9t v\u00e0i ph\u00fat ti\u1ebfp x\u00fac.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110e d\u1ecda t\u00ednh m\u1ea1ng: Nu\u1ed1t ph\u1ea3i axit axetic c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n nghi\u00eam tr\u1ecdng c\u1ee7a mi\u1ec7ng v\u00e0 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, d\u1eabn \u0111\u1ebfn n\u00f4n m\u1eeda, ti\u00eau ch\u1ea3y, tr\u1ee5y tu\u1ea7n ho\u00e0n, suy th\u1eadn v\u00e0 t\u1eed vong.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Theo b\u00e1c s\u0129 Nguy\u1ec5n Th\u1ecb Hu\u1ef3nh Mai, Chi c\u1ee5c tr\u01b0\u1edfng Chi c\u1ee5c An to\u00e0n V\u1ec7 sinh Th\u1ef1c ph\u1ea9m (ATVSTP) TP.HCM, gi\u1ea5m l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng c\u00f3 v\u1ecb chua, \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb s\u1ef1 l\u00ean men, c\u00f3 r\u1ea5t nhi\u1ec1u l\u1ee3i \u00edch cho s\u1ee9c kh\u1ecfe. Axit axetic ch\u1ec9 chi\u1ebfm t\u1ec9 l\u1ec7 % nh\u1ecf trong gi\u1ea5m (t\u1eeb 3 \u0111\u1ebfn 5%), l\u00e0m n\u00ean v\u1ecb chua c\u1ee7a gi\u1ea5m. Nh\u01b0ng n\u1ebfu s\u1ea3n xu\u1ea5t gi\u1ea5m t\u1eeb vi\u1ec7c pha ch\u1ebf n\u01b0\u1edbc v\u1edbi axit axetic c\u00f4ng nghi\u1ec7p th\u00ec s\u1ebd g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi d\u00f9ng. (Ngu\u1ed3n: B\u00e1o Thanh Ni\u00ean)<\/p>\n<p dir=\"ltr\">Gi\u1ea5m mang nhi\u1ec1u ch\u1ea5t dinh d\u01b0\u1ee1ng bao g\u1ed3m c\u00e1c vitamin, axit amin v\u00e0 axit h\u1eefu c\u01a1, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho s\u1ee9c kh\u1ecfe. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n khi s\u1eed d\u1ee5ng, ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u1ea7n c\u1ea9n tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ea5m \u0103n. An to\u00e0n nh\u1ea5t, ng\u01b0\u1eddi ti\u00eau d\u00f9ng n\u00ean mua gi\u1ea5m \u1edf c\u00e1c c\u01a1 s\u1edf uy t\u00edn, ngo\u00e0i ra c\u00f3 th\u1ec3 t\u1ef1 l\u00ean men, l\u00e0m gi\u1ea5m t\u1ea1i nh\u00e0 \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_axit_axetic_SGK_kem_loi_giai\"><\/span>B\u00e0i t\u1eadp v\u1ec1 axit axetic SGK k\u00e8m l\u1eddi gi\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u1eeb nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 axit axetic \u1edf tr\u00ean, c\u00e1c b\u1ea1n c\u00f9ng v\u1eadn d\u1ee5ng nh\u1eefng ki\u1ebfn th\u1ee9c \u0111\u00f3 \u0111\u1ec3 gi\u1ea3i m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp c\u01a1 b\u1ea3n trong SGK h\u00f3a h\u1ecdc 9 sau.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-axetic-13.jpg\" alt=\"\u00c1p d\u1ee5ng l\u00fd thuy\u1ebft gi\u1ea3i b\u00e0i t\u1eadp H\u00f3a h\u1ecdc v\u1ec1 axit axetic. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_Bai_1_trang_143_SGK_Hoa_9\"><\/span>Gi\u1ea3i B\u00e0i 1 trang 143 SGK H\u00f3a 9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u00e3y \u0111i\u1ec1n nh\u1eefng t\u1eeb th\u00edch h\u1ee3p v\u00e0o c\u00e1c ch\u1ed7 tr\u1ed1ng:<\/p>\n<p dir=\"ltr\">a) Axit axetic l\u00e0 ch\u1ea5t &#8230; kh\u00f4ng m\u00e0u, v\u1ecb &#8230; tan &#8230; trong n\u01b0\u1edbc.<\/p>\n<p dir=\"ltr\">b) Axit axetic l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf &#8230;<\/p>\n<p dir=\"ltr\">c) Gi\u1ea5m \u0103n l\u00e0 dung d\u1ecbch &#8230; t\u1eeb 2 \u0111\u1ebfn 5%<\/p>\n<p dir=\"ltr\">d) B\u1eb1ng c\u00e1ch &#8230; butan v\u1edbi ch\u1ea5t x\u00fac t\u00e1c th\u00edch h\u1ee3p ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c &#8230;<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">a) Axit axetic l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, v\u1ecb chua tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc.<\/p>\n<p dir=\"ltr\">b) Axit axetic l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf d\u01b0\u1ee3c ph\u1ea9m, ph\u1ea9m nhu\u1ed9m, ch\u1ea5t d\u1ebbo, t\u01a1 nh\u00e2n t\u1ea1o.<\/p>\n<p dir=\"ltr\">c) Gi\u1ea5m \u0103n l\u00e0 dung d\u1ecbch axit axetic c\u00f3 n\u1ed3ng \u0111\u1ed9 t\u1eeb 2 \u0111\u1ebfn 5%<\/p>\n<p dir=\"ltr\">d) B\u1eb1ng c\u00e1ch oxi h\u00f3a butan v\u1edbi ch\u1ea5t x\u00fac t\u00e1c th\u00edch h\u1ee3p ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c axit axetic.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_Bai_5_Hoa_9_SGK_trang_143\"><\/span>Gi\u1ea3i B\u00e0i 5 Ho\u00e1 9 SGK trang 143<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Axit axetic c\u00f3 th\u1ec3 t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi nh\u1eefng ch\u1ea5t n\u00e0o trong c\u00e1c ch\u1ea5t sau \u0111\u00e2y: ZnO, Na2SO4, KOH, Na2CO3, Cu, Fe? Vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra (n\u1ebfu c\u00f3).<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">Ch\u1ea5t t\u00e1c d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi axit axetic l\u00e0 ZnO, KOH, Na2CO3, Fe.<\/p>\n<p dir=\"ltr\">2CH3COOH + ZnO \u2192 (CH3COO)2Zn + H2O.<\/p>\n<p dir=\"ltr\">CH3COOH + KOH \u2192 CH3COOK + H2O.<\/p>\n<p dir=\"ltr\">2CH3COOH + Na2CO3 \u2192 2CH3COONa + CO2 + H2O.<\/p>\n<p dir=\"ltr\">2CH3COOH + Fe \u2192 (CH3COO)2Fe + H2.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_Bai_6_trang_143_SGK_Hoa_9\"><\/span>Gi\u1ea3i B\u00e0i 6 trang 143 SGK H\u00f3a 9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">H\u00e3y vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc \u0111i\u1ec1u ch\u1ebf axit axetic t\u1eeb:<\/p>\n<p dir=\"ltr\">a) Natri axetic v\u00e0 axit sunfuric.<\/p>\n<p dir=\"ltr\">b) R\u01b0\u1ee3u etylic.<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ch\u1ebf axit axetic:<\/p>\n<p dir=\"ltr\">a) T\u1eeb natri axetic v\u00e0 axit sunfuric:<\/p>\n<p dir=\"ltr\">2CH3COONa + H2SO4 \u2192 2CH3COOH + Na2SO4<\/p>\n<p dir=\"ltr\">b) T\u1eeb r\u01b0\u1ee3u etylic:<\/p>\n<p dir=\"ltr\">C2H5OH + O2 \u2192 CH3COOH + H2O.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_bai_7_Hoa_9_SGK_trang_143\"><\/span>Gi\u1ea3i b\u00e0i 7 Ho\u00e1 9 SGK trang 143<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Cho 60 gam CH3COOH t\u00e1c d\u1ee5ng v\u1edbi 100g CH3CH2OH thu \u0111\u01b0\u1ee3c 55 gam CH3COOCH2CH3<\/p>\n<p dir=\"ltr\">a) Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc x\u1ea3y ra v\u00e0 g\u1ecdi t\u00ean c\u1ee7a ph\u1ea3n \u1ee9ng.<\/p>\n<p dir=\"ltr\">b) T\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng tr\u00ean<\/p>\n<p dir=\"ltr\">G\u1ee3i \u00fd \u0111\u00e1p \u00e1n:\u00a0<\/p>\n<p dir=\"ltr\">n(CH3COOH) = 60\/60 = 1 mol<\/p>\n<p dir=\"ltr\">n(C2H5OH) = 100\/46 = 2.17mol<\/p>\n<p dir=\"ltr\">a) Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng:<\/p>\n<p dir=\"ltr\">CH3COOH + C2H5OH \u2192 CH3COOC2H5 + H2O<\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng n\u00e0y g\u1ecdi l\u00e0 ph\u1ea3n \u1ee9ng este h\u00f3a.<\/p>\n<p dir=\"ltr\">b) Hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng:<\/p>\n<p dir=\"ltr\">Theo ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng tr\u00ean v\u00e0 s\u1ed1 li\u1ec7u c\u1ee7a \u0111\u1ec1 b\u00e0i cho, s\u1ed1 mol r\u01b0\u1ee3u d\u1ef1, do \u0111\u00f3 t\u00ednh hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng theo CH3COOH.<\/p>\n<p dir=\"ltr\">Theo l\u00fd thuy\u1ebft 1 mol CH3COOH (60g) t\u1ea1o ra 1 mol CH3COOC2H5 (88g) nh\u01b0ng th\u1ef1c t\u1ebf ch\u1ec9 thu \u0111\u01b0\u1ee3c 55g.<\/p>\n<p dir=\"ltr\">V\u1eady hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng l\u00e0: H% = 55\/88 x 100% = 62.5%<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_bai_tap_ve_acid_axetic_de_hoc_sinh_tu_luyen\"><\/span>M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u1ec1 acid axetic \u0111\u1ec3 h\u1ecdc sinh t\u1ef1 luy\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"MsoNormal\">C\u00e2u 1: \u1ee8ng d\u1ee5ng n\u00e0o sau \u0111\u00e2y kh\u00f4ng ph\u1ea3i c\u1ee7a axit axetic?<\/p>\n<p class=\"MsoNormal\">A. Pha gi\u1ea5m \u0103n<\/p>\n<p class=\"MsoNormal\">B. S\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m, ph\u1ea9m nhu\u1ed9m, thu\u1ed1c di\u1ec7t c\u00f4n tr\u00f9ng<\/p>\n<p class=\"MsoNormal\">C. S\u1ea3n xu\u1ea5t c\u1ed3n<\/p>\n<p class=\"MsoNormal\">D. S\u1ea3n xu\u1ea5t ch\u1ea5t d\u1ebbo, t\u01a1 nh\u00e2n t\u1ea1o<\/p>\n<p class=\"MsoNormal\">C\u00e2u 2: \u0110\u1ec3 ph\u00e2n bi\u1ec7t C2H5OH v\u00e0 CH3COOH, ta d\u00f9ng h\u00f3a ch\u1ea5t n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang?<\/p>\n<p class=\"MsoNormal\">A. Na B. Dung d\u1ecbch AgNO3 C. CaCO3 D. Dung d\u1ecbch NaCl<\/p>\n<p class=\"MsoNormal\">C\u00e2u 3: Cho c\u00e1c ph\u1ea3n \u1ee9ng sau \u1edf \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p:<\/p>\n<p class=\"MsoNormal\">1, L\u00ean men gi\u1ea5m ancol etylic<\/p>\n<p class=\"MsoNormal\">2, Oxi h\u00f3a kh\u00f4ng ho\u00e0n to\u00e0n andehit axetic<\/p>\n<p class=\"MsoNormal\">3, Oxi h\u00f3a kh\u00f4ng ho\u00e0n to\u00e0n Butan<\/p>\n<p class=\"MsoNormal\">4, Cho metanol t\u00e1c d\u1ee5ng v\u1edbi cacbon oxit. Trong nh\u1eefng ph\u1ea3n \u1ee9ng tr\u00ean, s\u1ed1 ph\u1ea3n \u1ee9ng t\u1ea1o ra axit axetic<\/p>\n<p class=\"MsoNormal\">A. 1 B. 2 C. 3 D. 4<\/p>\n<p class=\"MsoNormal\">C\u00e2u 4: Y\u1ebfu t\u1ed1 n\u00e0o kh\u00f4ng l\u00e0m t\u0103ng hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng este h\u00f3a gi\u1eefa axit axetic v\u00e0 etanol?<\/p>\n<p class=\"MsoNormal\">A. D\u00f9ng H2SO4 \u0111\u1eb7c l\u00e0m x\u00fac t\u00e1c B. Ch\u01b0ng c\u1ea5t este t\u1ea1o ra<\/p>\n<p class=\"MsoNormal\">C. T\u0103ng n\u1ed3ng \u0111\u1ed9 axit ho\u1eb7c ancol D. L\u1ea5y s\u1ed1 mol ancol v\u00e0 axit b\u1eb1ng nhau<\/p>\n<p class=\"MsoNormal\">C\u00e2u 5: V\u00ec sao nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a axit th\u01b0\u1eddng cao h\u01a1n ancol t\u01b0\u01a1ng \u1ee9ng?<\/p>\n<p class=\"MsoNormal\">A. V\u00ec ancol kh\u00f4ng c\u00f3 li\u00ean k\u1ebft hidro, axit c\u00f3 li\u00ean k\u1ebft hidro<\/p>\n<p class=\"MsoNormal\">B. V\u00ec li\u00ean k\u1ebft hidro c\u1ee7a axit b\u1ec1n h\u01a1n c\u1ee7a ancol<\/p>\n<p class=\"MsoNormal\">C. V\u00ec kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u1ee7a axit l\u1edbn h\u01a1n<\/p>\n<p class=\"MsoNormal\">D. V\u00ec axit c\u00f3 2 nguy\u00ean t\u1eed oxi<\/p>\n<p class=\"MsoNormal\">C\u00e2u 6: Gi\u1ea5m \u0103n l\u00e0 dung d\u1ecbch axit axetic c\u00f3 n\u1ed3ng \u0111\u1ed9 t\u1eeb<\/p>\n<p class=\"MsoNormal\">A. 2% \u0111\u1ebfn 5% B. 6% \u0111\u1ebfn 10% C. 11% \u0111\u1ebfn 14% D. 15% \u0111\u1ebfn 18%<\/p>\n<p class=\"MsoNormal\">C\u00e2u 7: Chia a gam axit axetic th\u00e0nh 2 ph\u1ea7n b\u1eb1ng nhau:<\/p>\n<p class=\"MsoNormal\">-Ph\u1ea7n 1: trung h\u00f2a v\u1eeba \u0111\u1ee7 b\u1edfi 0,5 l\u00edt dung d\u1ecbch NaOH 0,4 M<\/p>\n<p class=\"MsoNormal\">-Ph\u1ea7n 2: th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng este h\u00f3a v\u1edbi ancol etylic thu \u0111\u01b0\u1ee3c m gam este ( gi\u1ea3 s\u1eed hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng l\u00e0 100%). V\u1eady m c\u00f3 gi\u00e1 tr\u1ecb l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. 16,7 gam B. 17,6 gam C. 16,8 gam D. 18,6 gam<\/p>\n<p class=\"MsoNormal\">C\u00e2u 8: \u0110\u1ec3 t\u00e1ch c\u00e1c ch\u1ea5t ra kh\u1ecfi nhau t\u1eeb h\u1ed7n dung d\u1ecbch ch\u1ee9a axit axetic v\u00e0 ancol etylic, c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh theo tr\u00ecnh t\u1ef1 n\u00e0o sau \u0111\u00e2y?<\/p>\n<p class=\"MsoNormal\">A. D\u00f9ng CaCO3, ch\u01b0ng c\u1ea5t, sau \u0111\u00f3 t\u00e1c d\u1ee5ng v\u1edbi H2SO4<\/p>\n<p class=\"MsoNormal\">B. D\u00f9ng CaCCl2, ch\u01b0ng c\u1ea5t, sau \u0111\u00f3 t\u00e1c d\u1ee5ng v\u1edbi H2SO4<\/p>\n<p class=\"MsoNormal\">C. D\u00f9ng Na2O, sau \u0111\u00f3 cho t\u00e1c d\u1ee5ng v\u1edbi H2SO4<\/p>\n<p class=\"MsoNormal\">D. D\u00f9ng NaOH, sau \u0111\u00f3 cho t\u00e1c d\u1ee5ng v\u1edbi H2SO4<\/p>\n<p class=\"MsoNormal\">C\u00e2u 9: Cho axit c\u00f3 n\u1ed3ng \u0111\u1ed9 x% t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch NaOH c\u00f3 n\u1ed3ng \u0111\u1ed9 10% th\u00ec thu \u0111\u01b0\u1ee3c dung d\u1ecbch mu\u1ed1i c\u00f3 n\u1ed3ng \u0111\u1ed9 10,25%. V\u1eady x c\u00f3 gi\u00e1 tr\u1ecb l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. 20% B. 16% C. 17% D. 15%<\/p>\n<p class=\"MsoNormal\">C\u00e2u 10: Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c xem l\u00e0 hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf axit axetic l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. T\u1ed5ng h\u1ee3p t\u1eeb CH3OH v\u00e0 CO B. Ph\u01b0\u01a1ng ph\u00e1p oxi h\u00f3a CH3CHO<\/p>\n<p class=\"MsoNormal\">C. Ph\u01b0\u01a1ng ph\u00e1p l\u00ean men gi\u1ea5m t\u1eeb ancol etylic D. \u0110i\u1ec1u ch\u1ebf t\u1eeb mu\u1ed1i axetat<\/p>\n<p class=\"MsoNormal\">C\u00e2u 11: D\u00e3y ch\u1ea5t ph\u1ea3n \u1ee9ng v\u1edbi axit axetic l\u00e0<\/p>\n<p class=\"MsoNormal\">A. ZnO, Cu, Na2CO3, KOH B. ZnO, Fe, Na2CO3, Ag<\/p>\n<p class=\"MsoNormal\">C. SO2, Na2CO3, Fe, KOH D. ZnO, Na2CO3, Fe, KOH<\/p>\n<p class=\"MsoNormal\">C\u00e2u 12: \u0110un n\u00f3ng axit axetic v\u1edbi r\u01b0\u1ee3u etylic c\u00f3 axit sunfuric l\u00e0m x\u00fac t\u00e1c th\u00ec ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c m\u1ed9t ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, m\u00f9i th\u01a1m, kh\u00f4ng tan trong n\u01b0\u1edbc v\u00e0 n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc. S\u1ea3n ph\u1ea9m \u0111\u00f3 l\u00e0<\/p>\n<p class=\"MsoNormal\">A. \u0111imetyl ete B. etyl axetat C. r\u01b0\u1ee3u etylic D. metan<\/p>\n<p class=\"MsoNormal\">C\u00e2u 13: So s\u00e1nh nhi\u1ec7t \u0111\u1ed9 s\u00f4i c\u1ee7a c\u00e1c ch\u1ea5t : Axit axetic, axeton, propan, etanol<\/p>\n<p class=\"MsoNormal\">A. CH3COOH &gt; CH3CH2CH3&gt; CH3COCH3&gt; C2H5OH<\/p>\n<p class=\"MsoNormal\">B. C2H5OH&gt;CH3COOH&gt;CH3CH2CH3&gt; CH3COCH3<\/p>\n<p class=\"MsoNormal\">C. CH3COOH&gt;C2H5OH&gt;CH3COCH3&gt;CH3CH2CH3<\/p>\n<p class=\"MsoNormal\">D. C2H5OH&gt;CH3COCH3&gt;CH3COOH&gt;CH3CH2CH3<\/p>\n<p class=\"MsoNormal\">C\u00e2u 14: So s\u00e1nh t\u00ednh axit c\u1ee7a c\u00e1c ch\u1ea5t sau (x\u1ebfp theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n: CH3CHClCH2COOH (1); CH2ClCH2CH2COOH (2); CH3CH2CHClCOOH (3)CH3CH2CH2COOH (4)<\/p>\n<p class=\"MsoNormal\">A. 1&lt; 3&lt; 2&lt; 4 B. 2&lt; 1&lt; 3&lt; 4 C. 4&lt; 3&lt; 2&lt; 1 D. 4&lt; 2&lt; 1&lt; 3<\/p>\n<p class=\"MsoNormal\">C\u00e2u 15: Cho 1 gam axit axetic v\u00e0o \u1ed1ng nghi\u1ec7m th\u1ee9 nh\u1ea5t v\u00e0 1 gam axit fomic v\u00e0o \u1ed1ng nghi\u1ec7m th\u1ee9 2, sau \u0111\u00f3 cho v\u00e0o c\u1ea3 hai \u1ed1ng nghi\u1ec7m tr\u00ean m\u1ed9t l\u01b0\u1ee3ng d\u01b0 b\u1ed9t CaCO3. Khi ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n th\u00ec th\u1ec3 t\u00edch CO2 thu \u0111\u01b0\u1ee3c \u1edf c\u00f9ng nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. Hai \u1ed1ng b\u1eb1ng nhau B. \u1ed0ng 1 nhi\u1ec1u h\u01a1n \u1ed1ng 2<\/p>\n<p class=\"MsoNormal\">C. \u1ed0ng 2 nhi\u1ec1u h\u01a1n \u1ed1ng 1 D. C\u1ea3 hai \u1ed1ng \u0111\u1ec1u nhi\u1ec1u h\u01a1n 22,4 l\u00edt (\u0111ktc)<\/p>\n<p class=\"MsoNormal\">C\u00e2u 16: Ch\u1ecdn ph\u00e1t bi\u1ec3u sai trong c\u00e1c ph\u00e1t bi\u1ec3u sau?<\/p>\n<p class=\"MsoNormal\">A. Axit axetic l\u00e0 ch\u1ea5t l\u1ecfng, kh\u00f4ng m\u00e0u, v\u1ecb chua, tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc.<\/p>\n<p class=\"MsoNormal\">B. Axit axetic l\u00e0 nguy\u00ean li\u1ec7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf d\u01b0\u1ee3c ph\u1ea9m, ph\u1ea9m nhu\u1ed9m, ch\u1ea5t d\u1ebbo v\u00e0 t\u01a1 nh\u00e2n t\u1ea1o.<\/p>\n<p class=\"MsoNormal\">C. Gi\u1ea5m \u0103n l\u00e0 dung d\u1ecbch axit axetic c\u00f3 n\u1ed3ng \u0111\u1ed9 t\u1eeb 2 \u0111\u1ebfn 5%.<\/p>\n<p class=\"MsoNormal\">D. B\u1eb1ng c\u00e1ch oxi h\u00f3a etan v\u1edbi ch\u1ea5t x\u00fac t\u00e1c th\u00edch h\u1ee3p ng\u01b0\u1eddi ta thu \u0111\u01b0\u1ee3c axit axetic<\/p>\n<p class=\"MsoNormal\">C\u00e2u 17: Cho m\u1ed9t h\u1ed7n h\u1ee3p g\u1ed3m axit axetic v\u00e0 m\u1ed9t axit (X) thu\u1ed9c d\u00e3y \u0111\u1ed3ng \u0111\u1eb3ng c\u1ee7a axit axetic. \u0110\u1ec3 trung h\u00f2a ho\u00e0n to\u00e0n h\u1ed7n h\u1ee3p n\u00e0y th\u00ec c\u1ea7n v\u1eeba \u0111\u1ee7 300ml dung d\u1ecbch N\u1ea1O 0,2M. C\u00f4 c\u1ea1n dung d\u1ecbch sau ph\u1ea3n \u1ee9ng thu \u0111\u01b0\u1ee3c 5,48 gam mu\u1ed1i khan. Bi\u1ebft nCH3COOH: nX= 1: 2. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a X l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. HCOOH B. C2H5COOH C. CH3COOH D. C3H7COOH<\/p>\n<p class=\"MsoNormal\">C\u00e2u 18: Cho dung d\u1ecbch axit axetic c\u00f3 n\u1ed3ng \u0111\u1ed9 a% t\u00e1c d\u1ee5ng v\u1eeba \u0111\u1ee7 v\u1edbi dung d\u1ecbch NaOH n\u1ed3ng \u0111\u1ed9 10%, thu \u0111\u01b0\u1ee3c dung d\u1ecbch mu\u1ed1i c\u00f3 n\u1ed3ng \u0111\u1ed9 10,25%. Gi\u00e1 tr\u1ecb c\u1ee7a a l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. 15% B. 20% C. 25% D. 30%<\/p>\n<p class=\"MsoNormal\">C\u00e2u 19: Cho 250 gam axit axetic t\u00e1c d\u1ee5ng v\u1edbi 161 gam ancol etylic c\u00f3 H2SO4 \u0111\u1eb7c l\u00e0m x\u00fac t\u00e1c. Khi ph\u1ea3n \u1ee9ng x\u1ea3y ra xong th\u00ec c\u00f3 60% l\u01b0\u1ee3ng axit chuy\u1ec3n th\u00e0nh este. Kh\u1ed1i l\u01b0\u1ee3ng este thu \u0111\u01b0\u1ee3c sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac l\u00e0:<\/p>\n<p class=\"MsoNormal\">A. 220gam B. 230 gam C. 235 gam D. 240 gam<\/p>\n<p class=\"MsoNormal\">C\u00e2u 20: Cho 20,5 gam h\u1ed7n h\u1ee3p ancol etylic v\u00e0 axit axetic t\u00e1c d\u1ee5ng v\u1edbi kali d\u01b0 thu \u0111\u01b0\u1ee3c 4,48 l\u00edt H2 (\u0111ktc). N\u1ebfu cho h\u1ed7n h\u1ee3p \u0111\u00f3 th\u1ef1c hi\u1ec7n ph\u1ea3n \u1ee9ng este h\u00f3a th\u00ec kh\u1ed1i l\u01b0\u1ee3ng este thu \u0111\u01b0\u1ee3c l\u00e0 bao nhi\u00eau? Bi\u1ebft H= 100%<\/p>\n<p class=\"MsoNormal\">A. 10 gam B. 12 gam C. 13,2 gam D. 14,2 gam<\/p>\n<p dir=\"ltr\">B\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y \u0111\u00e3 cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin v\u1ec1 c\u00f4ng th\u1ee9c, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh c\u1ee7a axit axetic &#8211; m\u1ed9t ch\u1ea5t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng v\u00f4 c\u00f9ng ph\u1ed5 bi\u1ebfn xung quanh ch\u00fang ta. C\u00f9ng theo d\u00f5i chuy\u00ean m\u1ee5c Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam nhi\u1ec1u ki\u1ebfn th\u1ee9c h\u1eefu \u00edch xoay quanh c\u00e1c m\u00f4n H\u00f3a h\u1ecdc, To\u00e1n, V\u1eadt l\u00fd&#8230;\u00a0<\/p>\n<p>                                    Ngu\u1ed3n tham kh\u1ea3o<\/p>\n<p>Acetic acid &#8211; Ng\u00e0y truy c\u1eadp: 27\/05\/2022<\/p>\n<p>https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Acetic-acid<\/p>\n<p>ACETIC ACID &#8211; Ng\u00e0y truy c\u1eadp: 27\/05\/2022<\/p>\n<p>https:\/\/www.vdh.virginia.gov\/epidemiology\/epidemiology-fact-sheets\/acetic-acid\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Axit axetic (hay c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 gi\u1ea5m \u0103n) l\u00e0 dung d\u1ecbch thu \u0111\u01b0\u1ee3c khi l\u00ean men r\u01b0\u1ee3u etylic lo\u00e3ng. M\u1ee9c ti\u00eau th\u1ee5 axit axetic tr\u00ean to\u00e0n th\u1ebf gi\u1edbi l\u00ean \u0111\u1ebfn 6,5 tri\u1ec7u t\u1ea5n m\u1ed7i n\u0103m. C\u00f9ng t\u00ecm hi\u1ec3u c\u00f4ng th\u1ee9c, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh v\u1ec1 lo\u1ea1i ch\u1ea5t quen&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-20557","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=20557"}],"version-history":[{"count":1,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20557\/revisions"}],"predecessor-version":[{"id":24649,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20557\/revisions\/24649"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}