{"id":206292,"date":"2025-03-27T17:01:45","date_gmt":"2025-03-27T17:01:45","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=206292"},"modified":"2025-03-27T17:01:49","modified_gmt":"2025-03-27T17:01:49","slug":"a-urea-molecule-contains-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/27\/a-urea-molecule-contains-2\/","title":{"rendered":"A urea molecule contains"},"content":{"rendered":"\n<p>A urea molecule contains<\/p>\n\n\n\n<p>a.two nitrogen atoms<\/p>\n\n\n\n<p>b.two carbon atoms<\/p>\n\n\n\n<p>c.two hydrogen atoms<\/p>\n\n\n\n<p>d.more than one correct response<\/p>\n\n\n\n<p>e.no correct response<\/p>\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>The correct answer is:<\/p>\n\n\n\n<p><strong>a. two nitrogen atoms<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Urea is an organic compound with the chemical formula <strong>CO(NH\u2082)\u2082<\/strong>. It consists of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>One carbon (C) atom<\/strong><\/li>\n\n\n\n<li><strong>One oxygen (O) atom<\/strong><\/li>\n\n\n\n<li><strong>Two nitrogen (N) atoms<\/strong><\/li>\n\n\n\n<li><strong>Four hydrogen (H) atoms<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Each nitrogen atom is part of an amine group (-NH\u2082), which is attached to the central carbonyl (C=O) group. This structure makes urea the simplest diamide of carbonic acid.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Why the other options are incorrect:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Option b (two carbon atoms)<\/strong> \u2192 Incorrect. Urea has only <strong>one carbon<\/strong> atom, located in the center of the molecule.<\/li>\n\n\n\n<li><strong>Option c (two hydrogen atoms)<\/strong> \u2192 Incorrect. Urea contains <strong>four hydrogen atoms<\/strong> (two from each amine group).<\/li>\n\n\n\n<li><strong>Option d (more than one correct response)<\/strong> \u2192 Incorrect. Only option <strong>a<\/strong> is correct.<\/li>\n\n\n\n<li><strong>Option e (no correct response)<\/strong> \u2192 Incorrect, as option <strong>a<\/strong> is correct.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Importance of Urea:<\/h4>\n\n\n\n<p>Urea is a crucial nitrogen-containing compound in metabolism and is the primary way humans and other mammals excrete nitrogen. It is also widely used in fertilizers, plastics, and chemical synthesis.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/03\/image-1571.png\" alt=\"\" class=\"wp-image-206293\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A urea molecule contains a.two nitrogen atoms b.two carbon atoms c.two hydrogen atoms d.more than one correct response e.no correct response The correct answer and explanation is : The correct answer is: a. two nitrogen atoms Explanation: Urea is an organic compound with the chemical formula CO(NH\u2082)\u2082. It consists of: Each nitrogen atom is part [&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-206292","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/206292","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=206292"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/206292\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=206292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=206292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=206292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}