Indicate whether or not the following molecules are chiral.<\/p>\n\n\n\n
3,3-dimethylheptane
2,3-dimethylheptane
2-methylheptane
3-methylheptane
4-methylheptane<\/p>\n\n\n\n
The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n A molecule is chiral<\/strong> if it lacks a plane of symmetry and contains at least one chiral center<\/strong> (a carbon atom bonded to four different groups). Let’s analyze each molecule in detail.<\/p>\n\n\n\n The presence of two identical methyl groups (-CH\u2083) at the same carbon (C3) makes it impossible for this molecule to have a chiral center. Since no carbon is attached to four different groups, the molecule is achiral<\/strong>.<\/p>\n\n\n\n The carbon at position C2<\/strong> is attached to four different groups: a hydrogen (-H), a methyl (-CH\u2083), an ethyl (-C\u2082H\u2085), and the rest of the heptane chain. This asymmetry makes the molecule chiral<\/strong>.<\/p>\n\n\n\n The C2<\/strong> carbon is bonded to four different groups: hydrogen (-H), methyl (-CH\u2083), ethyl (-C\u2082H\u2085), and the remaining hydrocarbon chain. Since there is no internal symmetry, it is chiral<\/strong>.<\/p>\n\n\n\n At C3<\/strong>, there is a methyl group, but the two other groups on the carbon are the same type of alkyl chains, making it not chiral<\/strong>.<\/p>\n\n\n\n The C4<\/strong> carbon is bonded to two identical ethyl-like chains, which prevents it from being a chiral center. Hence, the molecule is achiral<\/strong>.<\/p>\n\n\n\n Thus, 2,3-Dimethylheptane<\/strong> and 2-Methylheptane<\/strong> are chiral<\/strong>, while the others are not.<\/p>\n","protected":false},"excerpt":{"rendered":" Indicate whether or not the following molecules are chiral. 3,3-dimethylheptane2,3-dimethylheptane2-methylheptane3-methylheptane4-methylheptane The correct answer and explanation is : Chirality of the Given Molecules Explanation A molecule is chiral if it lacks a plane of symmetry and contains at least one chiral center (a carbon atom bonded to four different groups). Let’s analyze each molecule in detail. […]<\/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-204448","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204448","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=204448"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204448\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=204448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=204448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=204448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Chirality of the Given Molecules<\/h3>\n\n\n\n
\n
Explanation<\/h3>\n\n\n\n
1. 3,3-Dimethylheptane (Not Chiral)<\/strong><\/h4>\n\n\n\n
2. 2,3-Dimethylheptane (Chiral)<\/strong><\/h4>\n\n\n\n
3. 2-Methylheptane (Chiral)<\/strong><\/h4>\n\n\n\n
4. 3-Methylheptane (Not Chiral)<\/strong><\/h4>\n\n\n\n
5. 4-Methylheptane (Not Chiral)<\/strong><\/h4>\n\n\n\n