{"id":188281,"date":"2025-02-06T15:23:15","date_gmt":"2025-02-06T15:23:15","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=188281"},"modified":"2025-02-06T15:23:17","modified_gmt":"2025-02-06T15:23:17","slug":"identify-and-analyze-the-spectral-data-for-phenacetin-and-acetaminophen","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/06\/identify-and-analyze-the-spectral-data-for-phenacetin-and-acetaminophen\/","title":{"rendered":"Identify and analyze the spectral data for Phenacetin and Acetaminophen"},"content":{"rendered":"\n<p>Identify and analyze the spectral data for Phenacetin and Acetaminophen, label and integrate (H-NMR) peaks. I&amp;#39;m really bad at NMR\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/02\/image-102.png\" alt=\"\" class=\"wp-image-188282\"\/><\/figure>\n\n\n\n<p>(for the IR spectra the bottom axis numbers from the left are 4000, 3000, 2000, 1500, 1000, 500)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/02\/image-103.png\" alt=\"\" class=\"wp-image-188283\"\/><\/figure>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>henacetin and acetaminophen are both analgesic and antipyretic compounds, sharing structural similarities but differing in functional groups.heir proton nuclear magnetic resonance (^1H NMR) spectra provide valuable insights into their molecular structures.<br><strong>Phenacetin (^1H NMR Analysis):<\/strong><\/p>\n\n\n\n<p>henacetin (C\u2081\u2080H\u2081\u2083NO\u2082) consists of an ethoxy group (-OCH\u2082CH\u2083), a phenyl ring, an acetamide group (-NHCOCH\u2083), and an acetyl group (-COCH\u2083).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aromatic Region (6.5\u20137.5 ppm):<\/strong> he phenyl protons exhibit a doublet of doublets due to para substitution, with chemical shifts around 7.3 ppm and 7.4 ppm.he downfield shift of the proton near the acetamide group (on C\u2086,\u2088) is characteristic of this substitution pattern.\ue200cite\ue202turn0search16\ue201<\/li>\n\n\n\n<li><strong>Acetamide Group (8.1 ppm):<\/strong> he NH proton appears as a broad singlet at 8.1 ppm, influenced by the nitrogen&#8217;s relaxation dynamics.\ue200cite\ue202turn0search16\ue201<\/li>\n\n\n\n<li><strong>Ethoxy Group (1.4 ppm and 4.0 ppm):<\/strong> he ethoxy group shows a triplet at 1.4 ppm (CH\u2083) and a quartet at 4.0 ppm (CH\u2082), indicative of the -OCH\u2082CH\u2083 structure.\ue200cite\ue202turn0search16\ue201<\/li>\n\n\n\n<li><strong>Acetyl Group (2.1 ppm):<\/strong> he methyl group of the acetyl group appears as a singlet at 2.1 ppm.\ue200cite\ue202turn0search16\ue201<br><strong>Acetaminophen (^1H NMR Analysis):<\/strong><\/li>\n<\/ul>\n\n\n\n<p>cetaminophen (C\u2088H\u2089NO\u2082) comprises a phenyl group and an acetamide group.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Aromatic Region (6.5\u20137.5 ppm):<\/strong> he phenyl protons appear as a doublet of doublets, similar to phenacetin, with chemical shifts around 7.3 ppm and 7.4 ppm.\ue200cite\ue202turn0search1\ue201<\/li>\n\n\n\n<li><strong>Acetamide Group (8.1 ppm):<\/strong> he NH proton appears as a broad singlet at 8.1 ppm, influenced by the nitrogen&#8217;s relaxation dynamics.\ue200cite\ue202turn0search1\ue201<br>n summary, both compounds exhibit aromatic protons in the 6.5\u20137.5 ppm range, with acetaminophen lacking the ethoxy and acetyl groups present in phenacetin.he distinct chemical shifts and splitting patterns in the ^1H NMR spectra are crucial for identifying and differentiating these compounds.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Identify and analyze the spectral data for Phenacetin and Acetaminophen, label and integrate (H-NMR) peaks. I&amp;#39;m really bad at NMR\u00a0 (for the IR spectra the bottom axis numbers from the left are 4000, 3000, 2000, 1500, 1000, 500) The Correct Answer and Explanation is : henacetin and acetaminophen are both analgesic and antipyretic compounds, sharing [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-188281","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/188281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=188281"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/188281\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=188281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=188281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=188281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}