{"id":253063,"date":"2025-07-11T18:07:49","date_gmt":"2025-07-11T18:07:49","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=253063"},"modified":"2025-07-11T18:07:51","modified_gmt":"2025-07-11T18:07:51","slug":"what-is-the-correct-structure-of-4-octane","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/11\/what-is-the-correct-structure-of-4-octane\/","title":{"rendered":"What is the correct structure of 4-octane"},"content":{"rendered":"\n<p>What is the correct structure of 4-octane?<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The correct structure of 4-octane is a straight-chain alkane with eight carbon atoms, where the fourth carbon atom has a single bond to a methyl group (\u2013CH3). This is based on the IUPAC nomenclature system for organic compounds, where &#8220;octane&#8221; indicates an 8-carbon chain and the &#8220;4&#8221; represents the position of the branching group.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Structure Details:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The molecule consists of 8 carbon atoms (C8) bonded by single covalent bonds, each having the maximum number of hydrogen atoms attached to them to satisfy the carbon valency of four.<\/li>\n\n\n\n<li>The longest chain (carbon backbone) is the octane chain (C8), which is a saturated alkane, meaning each carbon atom in the chain is bonded to the maximum number of hydrogen atoms (no double or triple bonds).<\/li>\n\n\n\n<li>At the fourth carbon atom (C4), there is a methyl group (\u2013CH3) attached. This gives the molecule its name &#8220;4-octane.&#8221;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Molecular Formula:<\/h3>\n\n\n\n<p>The molecular formula for 4-octane is <strong>C8H18<\/strong>, indicating that it contains 8 carbon atoms and 18 hydrogen atoms.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Structural Representation:<\/h3>\n\n\n\n<p>The structure can be written as:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopyEdit<code>CH3-CH2-CH2-CH(CH3)-CH2-CH2-CH3\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The first carbon (C1) is bonded to three hydrogens (\u2013CH3).<\/li>\n\n\n\n<li>The second (C2) and third (C3) carbons are bonded to two hydrogens each (\u2013CH2\u2013).<\/li>\n\n\n\n<li>The fourth carbon (C4) is bonded to a methyl group (\u2013CH3) and a \u2013CH2\u2013 group.<\/li>\n\n\n\n<li>The rest of the chain continues similarly with alternating \u2013CH2\u2013 groups until the eighth carbon (C8), which is also bonded to three hydrogens (\u2013CH3).<\/li>\n<\/ul>\n\n\n\n<p>This structure represents a saturated hydrocarbon with no double or triple bonds and is stable due to the single covalent bonds between carbon atoms. This is typical of alkanes, where the carbons are sp\u00b3 hybridized, and the molecule adopts a tetrahedral geometry.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner6-329.jpeg\" alt=\"\" class=\"wp-image-253064\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the correct structure of 4-octane? The Correct Answer and Explanation is: The correct structure of 4-octane is a straight-chain alkane with eight carbon atoms, where the fourth carbon atom has a single bond to a methyl group (\u2013CH3). This is based on the IUPAC nomenclature system for organic compounds, where &#8220;octane&#8221; indicates an [&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-253063","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253063","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=253063"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253063\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=253063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=253063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=253063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}