{"id":20553,"date":"2025-07-07T18:35:52","date_gmt":"2025-07-07T11:35:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20553"},"modified":"2025-07-09T18:05:56","modified_gmt":"2025-07-09T11:05:56","slug":"ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/","title":{"rendered":"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"},"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\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Ruou_ethyl_la_gi\" >R\u01b0\u1ee3u ethyl 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\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Tinh_chat_vat_ly_cua_ruou_ethyl\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a r\u01b0\u1ee3u ethyl<\/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\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Tinh_chat_hoa_hoc_cua_ruou_ethyl\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a r\u01b0\u1ee3u ethyl<\/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\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Tac_dung_manh_voi_oxy_khi_duoc_lam_nong\" >T\u00e1c d\u1ee5ng m\u1ea1nh v\u1edbi oxy khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng<\/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\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Phan_ung_voi_natri\" >Ph\u1ea3n \u1ee9ng v\u1edbi natri<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Phan_ung_voi_axit_axetic\" >Ph\u1ea3n \u1ee9ng v\u1edbi axit axetic<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Hai_cach_de_chuan_bi_ruou_ethyl\" >Hai c\u00e1ch \u0111\u1ec3 chu\u1ea9n b\u1ecb r\u01b0\u1ee3u ethyl<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Phuong_phap_1_Ruou_ethyl_duoc_lam_ruou_cho_do_uong\" >Ph\u01b0\u01a1ng ph\u00e1p 1: R\u01b0\u1ee3u ethyl \u0111\u01b0\u1ee3c l\u00e0m r\u01b0\u1ee3u cho \u0111\u1ed3 u\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Phuong_phap_2_San_xuat_ruou_vang_cho_nganh_cong_nghiep\" >Ph\u01b0\u01a1ng ph\u00e1p 2: S\u1ea3n xu\u1ea5t r\u01b0\u1ee3u vang cho ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Ap_dung_ruou_ethyl\" >\u00c1p d\u1ee5ng r\u01b0\u1ee3u ethyl<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Tap_the_duc_tren_Ethyl_Ruou_SGK_Hoa_hoc_9_voi_cac_giai_phap\" >T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean Ethyl R\u01b0\u1ee3u SGK H\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Bai_1_Trang_139_Hoa_hoc_SGK_9\" >B\u00e0i 1 Trang 139 H\u00f3a h\u1ecdc SGK 9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Bai_2\" >B\u00e0i 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Bai_3_Sach_giao_khoa_Hoa_hoc_9_Trang_139\" >B\u00e0i 3 S\u00e1ch gi\u00e1o khoa H\u00f3a h\u1ecdc 9 Trang 139<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Bai_4_Trang_139_Hoa_hoc_SGK_9\" >B\u00e0i 4 Trang 139 H\u00f3a h\u1ecdc SGK 9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/ruou-etylic-c2h6o-tinh-chat-cau-tao-phan-tu-ung-dung-va-cach-dieu-che\/#Mot_so_bai_tap_ve_ruou_ethyl_de_hoc_sinh_thuc_hanh\" >M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u1ec1 r\u01b0\u1ee3u ethyl \u0111\u1ec3 h\u1ecdc sinh th\u1ef1c h\u00e0nh<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">R\u01b0\u1ee3u ethyl (c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc C2H6O) thu \u0111\u01b0\u1ee3c sau khi l\u00ean men g\u1ea1o, s\u1eafn, ng\u00f4 (n\u1ea5u ch\u00edn) ho\u1eb7c nho, t\u00e1o &#8230; H\u00e3y t\u00ecm hi\u1ec3u b\u1ea3n ch\u1ea5t, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed, \u1ee9ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u ch\u1ebf ch\u1ea5t n\u00e0y.<\/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=\"Ruou_ethyl_la_gi\"><\/span>R\u01b0\u1ee3u ethyl l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #FBEEB8\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\"><em>R\u01b0\u1ee3u ethyl (r\u01b0\u1ee3u ethyl ho\u1eb7c ethanol) l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ng\u0169 c\u1ed1c ho\u1eb7c r\u01b0\u1ee3u, l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 trong tr\u00ecnh t\u1ef1 \u0111\u1ed3ng nh\u1ea5t c\u1ee7a r\u01b0\u1ee3u, d\u1ec5 ch\u00e1y, m\u1ed9t trong nh\u1eefng lo\u1ea1i r\u01b0\u1ee3u ph\u1ed5 bi\u1ebfn trong th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ed3 u\u1ed1ng c\u00f3 c\u1ed3n. <\/em><\/td>\n<\/tr>\n<\/table>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed: C2H6O<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng ph\u00e2n t\u1eed: 46<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u1ea5u tr\u00fac ph\u00e2n t\u1eed:<\/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\/ruou-etylic-6.png\" alt=\"C\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a r\u01b0\u1ee3u ethyl. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c c\u1ea5u tr\u00fac t\u00f3m t\u1eaft: CH3-CH2-OH<\/p>\n<p dir=\"ltr\">Trong c\u00e1c ph\u00e2n t\u1eed r\u01b0\u1ee3u ethyl, c\u00f3 m\u1ed9t nguy\u00ean t\u1eed H kh\u00f4ng li\u00ean quan \u0111\u1ebfn nguy\u00ean t\u1eed C m\u00e0 li\u00ean quan \u0111\u1ebfn nguy\u00ean t\u1eed oxy t\u1ea1o ra c\u00e1c nh\u00f3m &#8211; OH. B\u1ea3n th\u00e2n nh\u00f3m &#8211; OH n\u00e0y l\u00e0m cho r\u01b0\u1ee3u mang l\u1ea1i c\u00e1c \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc \u0111i\u1ec3n h\u00ecnh.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_ruou_ethyl\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a r\u01b0\u1ee3u ethyl<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">R\u01b0\u1ee3u ethyl (C2H6O) c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd sau: <\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u01b0\u1ee3u ethyl l\u00e0 m\u1ed9t ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, s\u00f4i \u1edf 78,3 \u0111\u1ed9 C trong n\u01b0\u1edbc, nh\u1eb9 h\u01a1n n\u01b0\u1edbc v\u00e0 h\u00f2a tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc. <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u01b0\u1ee3u ethyl h\u00f2a tan nhi\u1ec1u ch\u1ea5t nh\u01b0 i\u1ed1t, benzen, &#8230; <\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 l\u01b0\u1ee3ng ml r\u01b0\u1ee3u ethyl trong 100ml h\u1ed7n h\u1ee3p r\u01b0\u1ee3u v\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u01b0\u1ee3u. V\u00ed d\u1ee5, 100ml r\u01b0\u1ee3u vang 45 \u0111\u1ed9 ch\u1ee9a 45ml r\u01b0\u1ee3u ethyl nguy\u00ean ch\u1ea5t.<\/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\/ruou-etylic-8.png\" alt=\"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u00e0m r\u01b0\u1ee3u 45 \u0111\u1ed9. (\u1ea2nh: H\u00f3a h\u1ecdc \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh SGK 9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n r\u01b0\u1ee3u nh\u01b0 sau:<\/p>\n<p dir=\"ltr\">M\u1ee9c r\u01b0\u1ee3u = VR \/ VHH x 100<\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ti\u1ebfn s\u0129 l\u00e0 r\u01b0\u1ee3u (b\u1eb1ng c\u1ea5p)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">VR l\u00e0 th\u1ec3 t\u00edch c\u1ee7a r\u01b0\u1ee3u ethyl (ML)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">VHH l\u00e0 th\u1ec3 t\u00edch h\u1ed7n h\u1ee3p r\u01b0\u1ee3u v\u00e0 n\u01b0\u1edbc (ML)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n r\u01b0\u1ee3u ho\u00e0n ch\u1ec9nh l\u00e0 r\u01b0\u1ee3u = 100 %. R\u01b0\u1ee3u c\u00e0ng l\u1edbn, r\u01b0\u1ee3u ethyl c\u1ed3n c\u00e0ng nhi\u1ec1u v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_ruou_ethyl\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a r\u01b0\u1ee3u ethyl<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1edbi c\u00e1c li\u00ean k\u1ebft tr\u00ean, r\u01b0\u1ee3u ethyl c\u00f3 3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng \u0111\u01b0\u1ee3c ch\u1ee9ng minh b\u1eb1ng c\u00e1c th\u00ed nghi\u1ec7m chi ti\u1ebft sau \u0111\u00e2y: <\/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\/ruou-etylic-10.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a r\u01b0\u1ee3u ethyl. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_manh_voi_oxy_khi_duoc_lam_nong\"><\/span>T\u00e1c d\u1ee5ng m\u1ea1nh v\u1edbi oxy khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n m\u1ed9t v\u00e0i gi\u1ecdt r\u01b0\u1ee3u ethyl v\u00e0o c\u1ed1c s\u1ee9 v\u00e0 \u0111\u1ed1t. Khi r\u01b0\u1ee3u ethyl b\u1ecb \u0111\u1ed1t ch\u00e1y, ch\u00fang ta s\u1ebd th\u1ea5y s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a ng\u1ecdn l\u1eeda xanh v\u00e0 t\u1ecfa ra r\u1ea5t nhi\u1ec1u nhi\u1ec7t. V\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y, r\u01b0\u1ee3u ethyl ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh m\u1ebd v\u1edbi oxy khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, t\u1ea1o th\u00e0nh ph\u1ea3n \u1ee9ng l\u1eeda. <\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng x\u1ea3y ra theo ph\u01b0\u01a1ng tr\u00ecnh sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">                      C2H6O (L) + 3O2 (k) (nhi\u1ec7t \u0111\u1ed9) \u2192 2CO2 (k) + 3H2O (h)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phan_ung_voi_natri\"><\/span>Ph\u1ea3n \u1ee9ng v\u1edbi natri<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n th\u00ed nghi\u1ec7m cho c\u00e1c mi\u1ebfng natri trong c\u1ed1c (\u1ed1ng th\u1eed) c\u00f3 ch\u1ee9a r\u01b0\u1ee3u ethyl. Quan s\u00e1t c\u00e1c th\u00ed nghi\u1ec7m tr\u00ean, ch\u00fang ta th\u1ea5y r\u1eb1ng c\u00f3 nh\u1eefng bong b\u00f3ng kh\u00f4ng kh\u00ed tho\u00e1t ra, m\u1ea3nh natri d\u1ea7n d\u1ea7n h\u00f2a tan. Do \u0111\u00f3, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 n\u01b0\u1edbc, r\u01b0\u1ee3u ethyl ho\u1ea1t \u0111\u1ed9ng v\u1edbi natri, gi\u1ea3i ph\u00f3ng kh\u00ed hydro.<\/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\/ruou-etylic-9.png\" alt=\"Th\u00ed nghi\u1ec7m r\u01b0\u1ee3u ethyl l\u00e0m vi\u1ec7c v\u1edbi natri. (\u1ea2nh: \u1ea2nh ch\u1ee5p m\u00e0n h\u00ecnh s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 9)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng x\u1ea3y ra nh\u01b0 sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">                  2C2H5OH (L) + 2NA (R) \u2192 2C2H5ONA (DD) + H2 (K)<\/p>\n<p dir=\"ltr\">R\u01b0\u1ee3u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc v\u1edbi c\u00e1c kim lo\u1ea1i m\u1ea1nh nh\u01b0 K ho\u1eb7c NA. <\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phan_ung_voi_axit_axetic\"><\/span>Ph\u1ea3n \u1ee9ng v\u1edbi axit axetic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m cho r\u01b0\u1ee3u ethyl, axit axetic \u0111\u1ec3 ki\u1ec3m tra \u1ed1ng A. Th\u00eam m\u1ed9t \u00edt axit sunfuric c\u00f4 \u0111\u1eb7c l\u00e0m ch\u1ea5t x\u00fac t\u00e1c. \u0110un s\u00f4i h\u1ed7n h\u1ee3p m\u1ed9t l\u00fac, sau \u0111\u00f3 ng\u1eebng s\u00f4i. Th\u00eam m\u1ed9t \u00edt n\u01b0\u1edbc v\u00e0o ch\u1ea5t l\u1ecfng ng\u01b0ng t\u1ee5 trong \u1ed1ng th\u1eed B, l\u1eafc nh\u1eb9 v\u00e0 quan s\u00e1t.<\/p>\n<p dir=\"ltr\">Ch\u00fang t\u00f4i s\u1ebd quan s\u00e1t hi\u1ec7n t\u01b0\u1ee3ng: trong \u1ed1ng th\u1eed B c\u00f3 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, th\u01a1m, kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc, n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y ch\u1ee9ng t\u1ecf r\u1eb1ng r\u01b0\u1ee3u ethyl ho\u1ea1t \u0111\u1ed9ng v\u1edbi axit axetic \u0111\u1ec3 s\u1ea3n xu\u1ea5t ethyl acetate. \u0110\u00e2y l\u00e0 ch\u1ea5t l\u1ecfng, th\u01a1m, \u00edt h\u00f2a tan trong n\u01b0\u1edbc, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung m\u00f4i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n<p dir=\"ltr\">Ph\u1ea3n \u1ee9ng x\u1ea3y ra nh\u01b0 sau: <\/p>\n<p dir=\"ltr\" style=\"text-align: center\">                  C2H5OH + CH3COOH \u21c4 CH3COOC2H5 + H2O (H2S04 c\u00f4 \u0111\u1eb7c, nhi\u1ec7t \u0111\u1ed9)<\/p>\n<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hai_cach_de_chuan_bi_ruou_ethyl\"><\/span>Hai c\u00e1ch \u0111\u1ec3 chu\u1ea9n b\u1ecb r\u01b0\u1ee3u ethyl<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a ch\u00fang t\u00f4i, r\u01b0\u1ee3u ethyl c\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf 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\/ruou-etylic-11.jpg\" alt=\"H\u1ecdc c\u00e1ch chu\u1ea9n b\u1ecb r\u01b0\u1ee3u ethyl. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\" role=\"presentation\"><span class=\"ez-toc-section\" id=\"Phuong_phap_1_Ruou_ethyl_duoc_lam_ruou_cho_do_uong\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 1: R\u01b0\u1ee3u ethyl \u0111\u01b0\u1ee3c l\u00e0m r\u01b0\u1ee3u cho \u0111\u1ed3 u\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 chu\u1ea9n b\u1ecb r\u01b0\u1ee3u cho \u0111\u1ed3 u\u1ed1ng, m\u1ecdi ng\u01b0\u1eddi k\u1ebft h\u1ee3p tinh b\u1ed9t ho\u1eb7c \u0111\u01b0\u1eddng glucozo, ch\u1ea5t x\u00fac t\u00e1c l\u00e0 r\u01b0\u1ee3u \u0111\u1ec3 thu \u0111\u01b0\u1ee3c r\u01b0\u1ee3u ethyl theo ph\u01b0\u01a1ng tr\u00ecnh sau:<\/p>\n<p dir=\"ltr\" style=\"text-align: center\">Tinh b\u1ed9t\/ \u0111\u01b0\u1eddng (n\u1ea5m men) -&gt; r\u01b0\u1ee3u ethyl<\/p>\n<h3 dir=\"ltr\" role=\"presentation\"><span class=\"ez-toc-section\" id=\"Phuong_phap_2_San_xuat_ruou_vang_cho_nganh_cong_nghiep\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p 2: S\u1ea3n xu\u1ea5t r\u01b0\u1ee3u vang cho ng\u00e0nh c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u1ec3 chu\u1ea9n b\u1ecb r\u01b0\u1ee3u \u0111\u1ec3 ph\u1ee5c v\u1ee5 ng\u00e0nh c\u00f4ng nghi\u1ec7p, m\u1ecdi ng\u01b0\u1eddi cho ethylene c\u1ed9ng v\u1edbi n\u01b0\u1edbc, v\u1edbi ch\u1ea5t x\u00fac t\u00e1c l\u00e0 axit theo ph\u01b0\u01a1ng tr\u00ecnh sau: <\/p>\n<p dir=\"ltr\" style=\"text-align: center\">          CH2 = CH2 + H2O (axit) \u2192 C2H5OH  <\/p>\n<p dir=\"ltr\">L\u01b0u \u00fd: C\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, c\u00e1c ph\u00e2n t\u1eed v\u1edbi c\u00e1c nh\u00f3m OH, v\u1edbi c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed n\u00f3i chung l\u00e0 CNH2N+1OH \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 r\u01b0\u1ee3u \u0111\u01a1n s\u1eafc ho\u1eb7c alkanol c\u00f3 c\u00f9ng t\u00ednh ch\u1ea5t v\u1edbi r\u01b0\u1ee3u ethyl.<\/p>\n<table style=\"border-collapse: collapse;width: 100%;background-color: #C2E0F4\" border=\"1\">\n<tr>\n<td style=\"width: 98.5189%\">\n<p style=\"text-align: center\">Gi\u00fap con b\u1ea1n h\u1ecdc to\u00e1n k\u1ebft h\u1ee3p v\u1edbi ti\u1ebfng Anh si\u00eau ti\u1ebft ki\u1ec7m ch\u1ec9 tr\u00ean \u1ee9ng d\u1ee5ng to\u00e1n h\u1ecdc kh\u1ec9. V\u1edbi n\u1ed9i dung gi\u1ea3ng d\u1ea1y v\u1ea1n n\u0103ng \u0111\u1ec3 gi\u00fap tr\u1ebb ph\u00e1t tri\u1ec3n t\u01b0 duy n\u00e3o b\u1ed9 v\u00e0 ng\u00f4n ng\u1eef to\u00e0n di\u1ec7n ch\u1ec9 v\u1edbi kho\u1ea3ng 2k\/ng\u00e0y.<\/p>\n<\/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:\/\/vnmedia.monkeyuni.net\/upload\/web\/img\/nhantuvanmienphi.png\" alt=\"\" width=\"185\" height=\"36\"><\/p>\n<\/td>\n<\/tr>\n<\/table>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_ruou_ethyl\"><\/span>\u00c1p d\u1ee5ng r\u01b0\u1ee3u ethyl<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">R\u01b0\u1ee3u Ethyl ngo\u00e0i \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 l\u00e0m \u0111\u1ed3 u\u1ed1ng, h\u1ecd c\u0169ng c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng sau \u0111\u00e2y.<\/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\/3bdf74ee1e92decc8783_(1).jpg\" alt=\"\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a r\u01b0\u1ee3u ethyl. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e0 m\u1ed9t nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 s\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m, r\u01b0\u1ee3u, cao su t\u1ed5ng h\u1ee3p, axit axetic.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">R\u01b0\u1ee3u ethyl \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung m\u00f4i cho vecni v\u00e0 n\u01b0\u1edbc hoa.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nhi\u00ean li\u1ec7u r\u01b0\u1ee3u (th\u01b0\u1eddng \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi x\u0103ng) v\u00e0 trong m\u1ed9t lo\u1ea1t c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c. R\u01b0\u1ee3u ethyl c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1ng v\u1eadn \u0111\u1ed9ng v\u00ec \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng \u0111\u1eb7c tr\u01b0ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Dung d\u1ecbch ch\u1ee9a 70% r\u01b0\u1ee3u ethyl cho ch\u1ea5t kh\u1eed tr\u00f9ng, gel v\u1ec7 sinh kh\u00e1ng khu\u1ea9n ph\u1ed5 bi\u1ebfn nh\u1ea5t \u1edf n\u1ed3ng \u0111\u1ed9 62%. R\u01b0\u1ee3u ethyl \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed tr\u00f9ng r\u1ea5t t\u1ed1t khi s\u1eed d\u1ee5ng ch\u1ea5t n\u00e0y trong dung d\u1ecbch l\u00e0 kho\u1ea3ng 70%, n\u1ed3ng \u0111\u1ed9 cao h\u01a1n ho\u1eb7c th\u1ea5p h\u01a1n l\u00e0 \u00edt kh\u00e1ng khu\u1ea9n h\u01a1n. R\u01b0\u1ee3u Ethyl gi\u1ebft ch\u1ebft c\u00e1c sinh v\u1eadt ch\u00ednh b\u1eb1ng c\u00e1ch l\u00e0m bi\u1ebfn t\u00ednh protein c\u1ee7a ch\u00fang v\u00e0 h\u00f2a tan lipid c\u1ee7a ch\u00fang. Ngo\u00e0i ra, n\u00f3 c\u0169ng c\u00f3 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ch\u1ed1ng l\u1ea1i vi khu\u1ea9n v\u00e0 n\u1ea5m c\u00f9ng v\u1edbi nhi\u1ec1u lo\u1ea1i virus nh\u01b0ng kh\u00f4ng hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ch\u1ed1ng l\u1ea1i t\u1eed vi vi khu\u1ea9n.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_tren_Ethyl_Ruou_SGK_Hoa_hoc_9_voi_cac_giai_phap\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean Ethyl R\u01b0\u1ee3u SGK H\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u1eeb ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 r\u01b0\u1ee3u ethyl (C2H6O) \u1edf tr\u00ean, b\u1ea1n \u00e1p d\u1ee5ng ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u00f3 l\u1ea1i v\u1edbi nhau \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp c\u01a1 b\u1ea3n trong 9 s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc sau \u0111\u00e2y.<\/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\/ruou-etylic-12.jpg\" alt=\"B\u00e0i t\u1eadp v\u1ec1 r\u01b0\u1ee3u ethyl. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_1_Trang_139_Hoa_hoc_SGK_9\"><\/span>B\u00e0i 1 Trang 139 H\u00f3a h\u1ecdc SGK 9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">R\u01b0\u1ee3u ethyl ph\u1ea3n \u1ee9ng v\u1edbi natri v\u00ec:<\/p>\n<p dir=\"ltr\">A. Trong c\u00e1c ph\u00e2n t\u1eed v\u1edbi nguy\u00ean t\u1eed oxy.<\/p>\n<p dir=\"ltr\">B. Trong c\u00e1c ph\u00e2n t\u1eed, c\u00f3 c\u00e1c nguy\u00ean t\u1eed hydro v\u00e0 c\u00e1c nguy\u00ean t\u1eed oxy.<\/p>\n<p dir=\"ltr\">C. Trong c\u00e1c ph\u00e2n t\u1eed c\u00f3 nguy\u00ean t\u1eed carbon, hydro v\u00e0 oxy.<\/p>\n<p dir=\"ltr\">D. Trong ph\u00e2n t\u1eed c\u00f3 nh\u00f3m &#8211; OH.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">C\u00e2u tr\u1ea3 l\u1eddi: D. C\u00e2u A, B, C kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_2\"><\/span>B\u00e0i 2<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong s\u1ed1 c\u00e1c ch\u1ea5t sau: CH3 &#8211; CH3, CH3 &#8211; CH2OH, C6H6, CH3 &#8211; O &#8211; CH3 Ch\u1ea5t n\u00e0o ho\u1ea1t \u0111\u1ed9ng v\u1edbi NA? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">2CH3CH2OH + 2NA \u2192 2 CH3CH2ONA + H2<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_3_Sach_giao_khoa_Hoa_hoc_9_Trang_139\"><\/span>B\u00e0i 3 S\u00e1ch gi\u00e1o khoa H\u00f3a h\u1ecdc 9 Trang 139<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 ba \u1ed1ng th\u1eed: 1 \u1ed1ng ch\u1ee9a r\u01b0\u1ee3u ethyl 2 \u1ed1ng ch\u1ee9a r\u01b0\u1ee3u vang 96o, \u1ed1ng n\u01b0\u1edbc 3. \u0110\u1eb7t ph\u1ea7n th\u1eeba trong c\u00e1c \u1ed1ng th\u1eed tr\u00ean, vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc:<\/p>\n<p dir=\"ltr\">\u1ed0ng 1: R\u01b0\u1ee3u ethyl ho\u1ea1t \u0111\u1ed9ng v\u1edbi NA<\/p>\n<p dir=\"ltr\">2CH3CH2OH + 2NA \u2192 2CH3CH2ONA + H2<\/p>\n<p dir=\"ltr\">Tube 2: 96o R\u01b0\u1ee3u ho\u1ea1t \u0111\u1ed9ng v\u1edbi NA \u21d2 bao g\u1ed3m C2H5OH v\u00e0 H2O ho\u1ea1t \u0111\u1ed9ng v\u1edbi Na<\/p>\n<p dir=\"ltr\">2H2O + 2NA \u2192 2NOH + H2<\/p>\n<p dir=\"ltr\">2CH3CH2OH + 2NA \u2192 2CH3CH2ONA + H2<\/p>\n<p dir=\"ltr\">\u1ed0ng 3: N\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng v\u1edbi NA<\/p>\n<p dir=\"ltr\">2H2O + 2NA \u2192 2NOH + H2<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_4_Trang_139_Hoa_hoc_SGK_9\"><\/span>B\u00e0i 4 Trang 139 H\u00f3a h\u1ecdc SGK 9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">  Tr\u00ean c\u00e1c chai, c\u00f3 s\u1ed1 l\u01b0\u1ee3ng, v\u00ed d\u1ee5, 45 \u0111\u1ed9, 18 \u0111\u1ed9, 12 \u0111\u1ed9.<\/p>\n<p dir=\"ltr\">a) Gi\u1ea3i th\u00edch \u00fd ngh\u0129a c\u1ee7a c\u00e1c s\u1ed1 tr\u00ean.<\/p>\n<p dir=\"ltr\">b) T\u00ednh s\u1ed1 l\u01b0\u1ee3ng ml r\u01b0\u1ee3u ethyl trong 500ml chai 45 -\u0111\u1ed9.<\/p>\n<p dir=\"ltr\">c) C\u00f3 th\u1ec3 tr\u1ed9n bao nhi\u00eau l\u00edt r\u01b0\u1ee3u 25ml t\u1eeb r\u01b0\u1ee3u 500ml.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi: <\/p>\n<p dir=\"ltr\">a) S\u1ed1 45 \u0111\u1ed9, 18 \u0111\u1ed9, 12 \u0111\u1ed9 c\u00f3 ngh\u0129a l\u00e0 trong 100ml v\u1edbi 45ml, 18ml, 12ml r\u01b0\u1ee3u vang nguy\u00ean ch\u1ea5t.<\/p>\n<p dir=\"ltr\">b) S\u1ed1 l\u01b0\u1ee3ng ml r\u01b0\u1ee3u ethyl trong 500ml r\u01b0\u1ee3u 45o l\u00e0: (500 x 45)\/100 = 225ml<\/p>\n<p dir=\"ltr\">c) 900ml = 0,9 l\u00edt<\/p>\n<p dir=\"ltr\">Theo c\u00e2u B): Trong 500ml r\u01b0\u1ee3u 45o, c\u00f3 225ml r\u01b0\u1ee3u vang nguy\u00ean ch\u1ea5t.<\/p>\n<p dir=\"ltr\">S\u1ed1 l\u01b0\u1ee3ng ml ml 25o \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb 500ml r\u01b0\u1ee3u vang 45o (ho\u1eb7c 225ml r\u01b0\u1ee3u nguy\u00ean ch\u1ea5t) l\u00e0: (225 x 100)\/25 = 900ml<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_bai_tap_ve_ruou_ethyl_de_hoc_sinh_thuc_hanh\"><\/span>M\u1ed9t s\u1ed1 b\u00e0i t\u1eadp v\u1ec1 r\u01b0\u1ee3u ethyl \u0111\u1ec3 h\u1ecdc sinh th\u1ef1c h\u00e0nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ngo\u00e0i c\u00e1c b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa, \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp li\u00ean quan \u0111\u1ec3 h\u1ecdc sinh t\u1ef1 \u0111\u00e0o t\u1ea1o:<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 1: \u0110\u1ec3 ph\u00e2n bi\u1ec7t hai ch\u1ea5t l\u1ecfng tinh khi\u1ebft, kh\u00f4ng m\u00e0u, \u0111\u00f3 l\u00e0 r\u01b0\u1ee3u benzen v\u00e0 ethyl?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. S\u1eaft.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. \u0110\u1ed3ng<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. natri. <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. Nh\u00f4m. <\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 2: Th\u00eam 46 gram r\u01b0\u1ee3u ethyl tinh khi\u1ebft \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi K. <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. 2,8 l\u00edt.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. 5,6 l\u00edt.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. 8,4 l\u00edt.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. 11.2 l\u00edt.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 3: H\u00f2a tan 60 ml r\u01b0\u1ee3u ethyl nguy\u00ean ch\u1ea5t th\u00e0nh 90 ml n\u01b0\u1edbc c\u1ea5t thu \u0111\u01b0\u1ee3c <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. R\u01b0\u1ee3u ethyl c\u00f3 r\u01b0\u1ee3u l\u00e0 200.          <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. R\u01b0\u1ee3u ethyl c\u00f3 250 r\u01b0\u1ee3u.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. R\u01b0\u1ee3u ethyl c\u00f3 300 r\u01b0\u1ee3u.          <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. R\u01b0\u1ee3u ethyl c\u00f3 400 r\u01b0\u1ee3u.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 4: H\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 A c\u00f3 c\u00f4ng th\u1ee9c ph\u00e2n t\u1eed C2H6O bi\u1ebft ph\u1ea3n \u1ee9ng v\u1edbi NA \u0111\u1ec3 gi\u1ea3i ph\u00f3ng H2. C\u00f4ng th\u1ee9c c\u1ea5u tr\u00fac c\u1ee7a A l\u00e0 <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. CH3 &#8211; CH2 &#8211; OH.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. CH3 &#8211; O &#8211; CH3.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. CH3 &#8211; CH3 = O.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. CH3 &#8211; OH &#8211; CH2.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 5: R\u01b0\u1ee3u ethyl n\u00e0o sau \u0111\u00e2y kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng?<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. H2 (ch\u1ea5t x\u00fac t\u00e1c Ni, T0).<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. Ch3cooh.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. Na.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">DK<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;background: white;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 6: S\u1ed1 l\u01b0\u1ee3ng ml r\u01b0\u1ee3u ethyl trong 250ml 45 \u0111\u1ed9 l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt;background: white\">A.250ml     <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt;background: white\">B.215ml<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt;background: white\">C.112,5ml       <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt;background: white\">D. 275ml<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 7: Cho r\u01b0\u1ee3u ethyl 700 \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi d\u01b0 l\u01b0\u1ee3ng kim lo\u1ea1i natri. S\u1ed1 l\u01b0\u1ee3ng ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u00f3 th\u1ec3 x\u1ea3y ra <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. 1.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. 3.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. 2.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. 4.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 8: H\u00f2a tan 40 ml r\u01b0\u1ee3u ethyl nguy\u00ean ch\u1ea5t th\u00e0nh 120 ml n\u01b0\u1edbc c\u1ea5t thu \u0111\u01b0\u1ee3c <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. R\u01b0\u1ee3u ethyl c\u00f3 r\u01b0\u1ee3u l\u00e0 200.          <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. R\u01b0\u1ee3u ethyl c\u00f3 250 r\u01b0\u1ee3u.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. R\u01b0\u1ee3u ethyl c\u00f3 300 r\u01b0\u1ee3u.          <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. R\u01b0\u1ee3u ethyl c\u00f3 350 r\u01b0\u1ee3u.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 9: Ho\u00e0n to\u00e0n \u0111\u1ed1t ch\u00e1y 50ml r\u01b0\u1ee3u ethyl M\u1ed9t m\u1ee9c \u0111\u1ed9 thu \u0111\u01b0\u1ee3c 22,4 l\u00edt CO2 theo ti\u00eau chu\u1ea9n. (Bi\u1ebft m\u1eadt \u0111\u1ed9 c\u1ee7a r\u01b0\u1ee3u l\u00e0 0,8g\/ml). Gi\u00e1 tr\u1ecb c\u1ee7a A l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. 57,5.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. 60.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. 62.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. 70.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 10: Cho 30 gram axit axetic ho\u1ea1t \u0111\u1ed9ng v\u1edbi r\u01b0\u1ee3u ethyl c\u00f2n l\u1ea1i \u0111\u1ec3 t\u1ea1o ra 27,5 gram ethyl acetate. Hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u1ea3n \u1ee9ng l\u00e0 <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. 72,5%.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. 62,5 %. <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. 56,2%.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. 65,2 %.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 11: Cho 13,6 gram h\u1ed7n h\u1ee3p x c\u1ee7a axit axetic v\u00e0 r\u01b0\u1ee3u ethyl tr\u1ed9n theo t\u1ef7 l\u1ec7 mol l\u00e0 3: 2. Nhi\u1ec7t X v\u1edbi H2SO4 t\u1eadp trung trong m\u1ed9t th\u1eddi gian thu \u0111\u01b0\u1ee3c m gram ch3cooch2ch3 ester v\u1edbi hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng 90%. Gi\u00e1 tr\u1ecb c\u1ee7a m l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;text-indent: -0.15pt;line-height: 18pt\">A. 7.04g.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;text-indent: -0.15pt;line-height: 18pt\">B. 8,80g.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;text-indent: -0.15pt;line-height: 18pt\">C. 7,92g.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;text-indent: -0.15pt;line-height: 18pt\">D. 11,00g.   <\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 12: Cho 18 gram r\u01b0\u1ee3u X, thu\u1ed9c c\u00f9ng m\u1ed9t tr\u00ecnh t\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1edbi r\u01b0\u1ee3u ethyl (v\u1edbi c\u00f4ng th\u1ee9c chung CNH2N+1OH) ho\u1ea1t \u0111\u1ed9ng v\u1edbi qu\u00e1 nhi\u1ec1u kim lo\u1ea1i Na thu \u0111\u01b0\u1ee3c kh\u00ed 3,36 DM3 H2 trong ti\u00eau chu\u1ea9n. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc c\u1ee7a r\u01b0\u1ee3u X l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. Ch3oh.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. C2H5OH.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. C3H7OH.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. C4H9OH.<\/p>\n<p style=\"text-align: justify;line-height: 18.0pt;margin: 0in 2.4pt 12.0pt 2.4pt\">C\u00e2u 13: \u0110\u1ec3 \u0111\u1ed1t ch\u00e1y ho\u00e0n to\u00e0n ch\u00e0y 0,1 mol r\u01b0\u1ee3u X c\u00f3 c\u00f9ng tr\u00ecnh t\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1edbi r\u01b0\u1ee3u ethyl (v\u1edbi c\u00f4ng th\u1ee9c chung c\u1ee7a CNH2N+2O), 10,08 l\u00edt kh\u00ed O2 c\u1ea7n \u1edf \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. C\u00f4ng th\u1ee9c ph\u00e2n t\u1eed c\u1ee7a r\u01b0\u1ee3u X l\u00e0<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">A. CH4O. <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">B. C3H8O. <\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">C. C4H10O.<\/p>\n<p style=\"margin: 0in 2.4pt 12pt;text-align: justify;line-height: 18pt\">D. C2H6O.<\/p>\n<p style=\"margin: 0in;margin-bottom: .0001pt;text-align: justify;line-height: 18.0pt;background: white\">C\u00e2u 14: C\u00f4ng th\u1ee9c c\u1ea5u tr\u00fac c\u1ee7a r\u01b0\u1ee3u ethyl l\u00e0<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">A. CH2 &#8211; CH3 &#8211; OH.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">B. CH3 &#8211; O &#8211; CH3.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">C. CH2 &#8211; CH2 &#8211; OH2.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">D. CH3 &#8211; CH2 &#8211; OH.<\/p>\n<p style=\"margin: 0in;margin-bottom: .0001pt;text-align: justify;line-height: 18.0pt;background: white\">C\u00e2u 15: Trong 100 ml r\u01b0\u1ee3u 40 \u00b0 ch\u1ee9a<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">A. 40 ml n\u01b0\u1edbc v\u00e0 60 ml r\u01b0\u1ee3u vang nguy\u00ean ch\u1ea5t.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">B. 40 ml r\u01b0\u1ee3u vang nguy\u00ean ch\u1ea5t v\u00e0 60 ml n\u01b0\u1edbc.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">C. 40 gram r\u01b0\u1ee3u vang nguy\u00ean ch\u1ea5t v\u00e0 60 gram n\u01b0\u1edbc.<\/p>\n<p style=\"margin: 0in 0in 0.0001pt;text-align: justify;line-height: 18pt;background: white\">D. 40 gram n\u01b0\u1edbc v\u00e0 60 gram r\u01b0\u1ee3u nguy\u00ean ch\u1ea5t.<\/p>\n<p dir=\"ltr\">B\u00e0i b\u00e1o tr\u00ean \u0111\u00e3 cung c\u1ea5p th\u00f4ng tin \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 b\u1ea3n ch\u1ea5t, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed, \u1ee9ng d\u1ee5ng v\u00e0 chu\u1ea9n b\u1ecb r\u01b0\u1ee3u ethyl (C2H6O) &#8211; m\u1ed9t ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ef1c k\u1ef3 ph\u1ed5 bi\u1ebfn xung quanh ch\u00fang ta. Hy v\u1ecdng r\u1eb1ng th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn \u200b\u200bth\u1ee9c h\u1eefu \u00edch h\u01a1n v\u00e0 \u00e1p d\u1ee5ng ch\u00fang trong h\u1ecdc t\u1eadp v\u00e0 th\u1ef1c h\u00e0nh.<\/p>\n<p>                                    Ngu\u1ed3n tham chi\u1ebfu<\/p>\n<p>Ethanol &#8211; Ng\u00e0y truy c\u1eadp: 27 th\u00e1ng 5 n\u0103m 2022<\/p>\n<p>https:\/\/en.wikipedia.org\/wiki\/ethanol<\/p>\n<p>Ethanol &#8211; Ng\u00e0y truy c\u1eadp: 27 th\u00e1ng 5 n\u0103m 2022<\/p>\n<p>https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/ethanol<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u01b0\u1ee3u ethyl (c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc C2H6O) thu \u0111\u01b0\u1ee3c sau khi l\u00ean men g\u1ea1o, s\u1eafn, ng\u00f4 (n\u1ea5u ch\u00edn) ho\u1eb7c nho, t\u00e1o &#8230; H\u00e3y t\u00ecm hi\u1ec3u b\u1ea3n ch\u1ea5t, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed, \u1ee9ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u ch\u1ebf ch\u1ea5t n\u00e0y. R\u01b0\u1ee3u ethyl l\u00e0 g\u00ec? R\u01b0\u1ee3u ethyl (r\u01b0\u1ee3u ethyl ho\u1eb7c ethanol) l\u00e0 ch\u1ea5t l\u1ecfng kh\u00f4ng m\u00e0u, c\u00f2n \u0111\u01b0\u1ee3c&#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-20553","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20553","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=20553"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20553\/revisions"}],"predecessor-version":[{"id":25748,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20553\/revisions\/25748"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}