{"id":208453,"date":"2025-04-27T11:16:22","date_gmt":"2025-04-27T11:16:22","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=208453"},"modified":"2025-04-27T11:16:24","modified_gmt":"2025-04-27T11:16:24","slug":"what-is-the-oxidation-number-of-carbon-in-ccl4","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/04\/27\/what-is-the-oxidation-number-of-carbon-in-ccl4\/","title":{"rendered":"What is the oxidation number of carbon in CCl4"},"content":{"rendered":"\n<p>What is the oxidation number of carbon in CCl4?<\/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><strong>Answer:<\/strong><br>The oxidation number of carbon in <strong>CCl\u2084<\/strong> is <strong>+4<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Explanation (around 300 words):<\/strong><\/p>\n\n\n\n<p>To find the oxidation number of carbon in carbon tetrachloride (CCl\u2084), we use the general rules for assigning oxidation numbers:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>The oxidation number of an element in its pure form is 0.<\/li>\n\n\n\n<li>The oxidation number of a monatomic ion equals its charge.<\/li>\n\n\n\n<li>Fluorine always has an oxidation number of -1; other halogens (like chlorine) usually have an oxidation number of -1 unless they are bonded to oxygen or fluorine.<\/li>\n\n\n\n<li>The sum of the oxidation numbers for all atoms in a neutral molecule must be zero.<\/li>\n<\/ol>\n\n\n\n<p>Now, let&#8217;s apply these rules to CCl\u2084:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CCl\u2084 is a <strong>neutral molecule<\/strong>, so the sum of all oxidation numbers must be <strong>zero<\/strong>.<\/li>\n\n\n\n<li>Each <strong>chlorine (Cl)<\/strong> atom is more electronegative than carbon and typically has an oxidation number of <strong>-1<\/strong>.<\/li>\n\n\n\n<li>There are <strong>four<\/strong> chlorine atoms, so the total oxidation number contributed by chlorine is:<br><strong>4 \u00d7 (-1) = -4<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Let <strong>x<\/strong> be the oxidation number of carbon (C). Setting up the equation:<\/p>\n\n\n\n<p>[<br>x + (-4) = 0<br>]<br>[<br>x = +4<br>]<\/p>\n\n\n\n<p>Thus, the oxidation number of carbon in CCl\u2084 is <strong>+4<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Why is this important?<\/strong><br>Understanding oxidation numbers is critical in chemistry because it helps explain how electrons are transferred in chemical reactions, especially in redox (reduction-oxidation) reactions. Even though CCl\u2084 is a covalent compound (sharing electrons rather than transferring them completely like in ionic compounds), assigning oxidation numbers is still useful for tracking theoretical electron movement and predicting chemical behavior.<br>In CCl\u2084, carbon is surrounded by more electronegative chlorine atoms, so it &#8220;loses&#8221; electron density, making it more positively charged in oxidation number terms. The +4 state indicates that carbon is effectively giving up control of four electrons to the chlorine atoms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the oxidation number of carbon in CCl4? The correct answer and explanation is : Answer:The oxidation number of carbon in CCl\u2084 is +4. Explanation (around 300 words): To find the oxidation number of carbon in carbon tetrachloride (CCl\u2084), we use the general rules for assigning oxidation numbers: Now, let&#8217;s apply these rules to [&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-208453","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/208453","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=208453"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/208453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=208453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=208453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=208453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}