{"id":188903,"date":"2025-02-07T17:55:52","date_gmt":"2025-02-07T17:55:52","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=188903"},"modified":"2025-02-07T17:55:54","modified_gmt":"2025-02-07T17:55:54","slug":"what-is-the-iupac-name-of-this-alkane","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/07\/what-is-the-iupac-name-of-this-alkane\/","title":{"rendered":"What is the IUPAC name of this alkane"},"content":{"rendered":"\n<p>What is the IUPAC name of this alkane? <\/p>\n\n\n\n<p>4-ethyl-2,2-dimethylpentane <\/p>\n\n\n\n<p>2-ethyl-4,4-dimethylpentane <\/p>\n\n\n\n<p>2-ethyl-2,2-dimethylpentane <\/p>\n\n\n\n<p>2,2,4-trimethylhexane<\/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-157.png\" alt=\"\" class=\"wp-image-188904\"\/><\/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>The IUPAC name of the alkane in question is <strong>2,2,4-trimethylhexane<\/strong>.<\/p>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<p>The compound consists of a six-carbon chain (hexane) with three methyl groups attached:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Two methyl groups are attached to the second carbon atom (2,2-).<\/li>\n\n\n\n<li>One methyl group is attached to the fourth carbon atom (4-).<\/li>\n<\/ul>\n\n\n\n<p>This configuration results in the IUPAC name <strong>2,2,4-trimethylhexane<\/strong>.<\/p>\n\n\n\n<p><strong>Structural Analysis:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Parent Chain:<\/strong> The longest continuous chain contains six carbon atoms, corresponding to &#8220;hexane.&#8221;<\/li>\n\n\n\n<li><strong>Substituents:<\/strong><\/li>\n\n\n\n<li>Two methyl groups (-CH\u2083) are attached to the second carbon atom.<\/li>\n\n\n\n<li>One methyl group is attached to the fourth carbon atom.<\/li>\n<\/ul>\n\n\n\n<p>This structure is consistent with the IUPAC naming conventions for alkanes with multiple substituents.<\/p>\n\n\n\n<p><strong>Alternative Names:<\/strong><\/p>\n\n\n\n<p>The other names provided are common names or less systematic names:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>4-ethyl-2,2-dimethylpentane:<\/strong> Suggests a five-carbon chain (pentane) with an ethyl group on the fourth carbon and two methyl groups on the second carbon.<\/li>\n\n\n\n<li><strong>2-ethyl-4,4-dimethylpentane:<\/strong> Indicates a five-carbon chain with an ethyl group on the second carbon and two methyl groups on the fourth carbon.<\/li>\n\n\n\n<li><strong>2-ethyl-2,2-dimethylpentane:<\/strong> Implies a five-carbon chain with an ethyl group and two methyl groups on the second carbon.<\/li>\n<\/ul>\n\n\n\n<p>These names do not accurately describe the structure of the compound, as they suggest different carbon chain lengths and substituent positions.<\/p>\n\n\n\n<p><strong>Conclusion:<\/strong><\/p>\n\n\n\n<p>The correct IUPAC name for the compound is <strong>2,2,4-trimethylhexane<\/strong>, accurately reflecting its structure as a six-carbon chain with two methyl groups on the second carbon and one on the fourth carbon.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the IUPAC name of this alkane? 4-ethyl-2,2-dimethylpentane 2-ethyl-4,4-dimethylpentane 2-ethyl-2,2-dimethylpentane 2,2,4-trimethylhexane The Correct Answer and Explanation is : The IUPAC name of the alkane in question is 2,2,4-trimethylhexane. Explanation: The compound consists of a six-carbon chain (hexane) with three methyl groups attached: This configuration results in the IUPAC name 2,2,4-trimethylhexane. Structural Analysis: This structure [&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-188903","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/188903","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=188903"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/188903\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=188903"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=188903"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=188903"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}