{"id":251177,"date":"2025-07-10T15:18:58","date_gmt":"2025-07-10T15:18:58","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=251177"},"modified":"2025-07-10T15:19:01","modified_gmt":"2025-07-10T15:19:01","slug":"what-is-the-chemical-equation-involved-with-the-reaction-of-cyclohexene-with-br2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/10\/what-is-the-chemical-equation-involved-with-the-reaction-of-cyclohexene-with-br2\/","title":{"rendered":"What is the chemical equation involved with the reaction of cyclohexene with Br2"},"content":{"rendered":"\n

What is the chemical equation involved with the reaction of cyclohexene with Br2?<\/p>\n\n\n\n

The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n

The reaction of cyclohexene with bromine (Br\u2082) is an example of an electrophilic addition reaction. When cyclohexene reacts with Br\u2082, the double bond in cyclohexene undergoes a reaction with bromine, resulting in the formation of a vicinal dibromide (a compound with two bromine atoms attached to adjacent carbon atoms in the cyclohexane ring). The general chemical equation for this reaction is:<\/p>\n\n\n\n

C\u2086H\u2081\u2080 + Br\u2082 \u2192 C\u2086H\u2081\u2080Br\u2082<\/strong><\/p>\n\n\n\n

Explanation:<\/h3>\n\n\n\n
    \n
  1. Reaction Mechanism<\/strong>:\n
      \n
    • Cyclohexene (C\u2086H\u2081\u2080) has a carbon-carbon double bond (C=C). Bromine (Br\u2082), which is a non-polar molecule, approaches the double bond.<\/li>\n\n\n\n
    • The double bond in cyclohexene is electron-rich and acts as a nucleophile, attracting the electrophilic bromine molecule.<\/li>\n\n\n\n
    • The Br\u2082 molecule becomes polarized as the electron-rich \u03c0-bond in cyclohexene induces a dipole in the Br\u2082 molecule, leading to the formation of a bromonium ion intermediate.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • Bromonium Ion Formation<\/strong>:\n
        \n
      • The bromonium ion is a three-membered ring with a positively charged bromine atom attached to the two carbon atoms of the former double bond.<\/li>\n\n\n\n
      • This intermediate is highly unstable and electrophilic.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
      • Attack by Bromide Ion (Br\u207b)<\/strong>:\n
          \n
        • The bromonium ion is then attacked by a bromide ion (Br\u207b), which is formed when Br\u2082 dissociates. The attack can occur at either of the two carbon atoms involved in the bromonium ion.<\/li>\n\n\n\n
        • This attack results in the opening of the three-membered ring and the formation of a vicinal dibromide (two bromine atoms attached to adjacent carbon atoms).<\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • Final Product<\/strong>:\n
            \n
          • The final product is 1,2-dibromocyclohexane, where two bromine atoms are added to the carbon atoms that were originally part of the double bond in cyclohexene.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

            Important Points:<\/h3>\n\n\n\n
              \n
            • The reaction is stereospecific, meaning that the addition of bromine occurs in a specific manner, often leading to anti addition, where the two bromine atoms are added on opposite sides of the cyclohexane ring.<\/li>\n\n\n\n
            • This type of addition reaction is typical of alkenes and is driven by the formation of a stable bromonium ion intermediate.<\/li>\n<\/ul>\n\n\n\n

              The overall reaction is a classic example of electrophilic addition, which is an essential reaction mechanism in organic chemistry.<\/p>\n","protected":false},"excerpt":{"rendered":"

              What is the chemical equation involved with the reaction of cyclohexene with Br2? The correct answer and explanation is: The reaction of cyclohexene with bromine (Br\u2082) is an example of an electrophilic addition reaction. When cyclohexene reacts with Br\u2082, the double bond in cyclohexene undergoes a reaction with bromine, resulting in the formation of a […]<\/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-251177","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251177","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=251177"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/251177\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=251177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=251177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=251177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}