Arrange the following in order of increasing property as indicated :<\/p>\n\n\n\n
(i) CH3F, CH3Cl, CH3Br, CH3I \u2192\uf020reactivity towards nucleophilic substitution reaction.<\/p>\n\n\n\n
(ii) (CH3)3CCl, (CH3)2CHCl, CH3CH2Cl \u2192\uf020reactivity towards SN1 reaction.<\/p>\n\n\n\n
(iii) CH3Cl, CH3CH2Br, (CH3)2CHBr \u2192\uf020boiling point.<\/p>\n\n\n\n
The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n The SN2 mechanism depends on the leaving ability of the halide and steric hindrance. Among the given molecules (CH\u2083F, CH\u2083Cl, CH\u2083Br, CH\u2083I<\/strong>), the carbon-halogen bond strength decreases as we move down the group (F > Cl > Br > I). This means iodine is the best leaving group due to its larger size and weaker bond with carbon. Fluorine, on the other hand, forms the strongest bond, making CH\u2083F the least reactive in SN2 reactions. The SN1 mechanism is favored by the stability of the carbocation intermediate. The order of carbocation stability is: Boiling points depend on molecular weight and intermolecular forces (dipole-dipole and van der Waals forces). As we move from CH\u2083Cl to CH\u2083CH\u2082Br to (CH\u2083)\u2082CHBr, the molecular weight increases, leading to stronger van der Waals forces. Thus, the boiling point increases as follows: Arrange the following in order of increasing property as indicated : (i) CH3F, CH3Cl, CH3Br, CH3I \u2192\uf020reactivity towards nucleophilic substitution reaction. (ii) (CH3)3CCl, (CH3)2CHCl, CH3CH2Cl \u2192\uf020reactivity towards SN1 reaction. (iii) CH3Cl, CH3CH2Br, (CH3)2CHBr \u2192\uf020boiling point. The correct answer and explanation is : Answers: Explanation: (i) Reactivity towards Nucleophilic Substitution (SN2) The SN2 mechanism depends on […]<\/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-201994","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/201994","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=201994"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/201994\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=201994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=201994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=201994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Answers:<\/h3>\n\n\n\n
\n
CH\u2083F < CH\u2083Cl < CH\u2083Br < CH\u2083I<\/strong><\/li>\n\n\n\n
CH\u2083CH\u2082Cl < (CH\u2083)\u2082CHCl < (CH\u2083)\u2083CCl<\/strong><\/li>\n\n\n\n
CH\u2083Cl < CH\u2083CH\u2082Br < (CH\u2083)\u2082CHBr<\/strong><\/li>\n<\/ol>\n\n\n\n
\n\n\n\nExplanation:<\/h3>\n\n\n\n
(i) Reactivity towards Nucleophilic Substitution (SN2)<\/strong><\/h4>\n\n\n\n
Thus, the reactivity order is:
CH\u2083F < CH\u2083Cl < CH\u2083Br < CH\u2083I<\/strong><\/p>\n\n\n\n
\n\n\n\n(ii) Reactivity towards SN1 Reaction<\/strong><\/h4>\n\n\n\n
Tertiary (3\u00b0) > Secondary (2\u00b0) > Primary (1\u00b0)<\/strong>
Thus, the reactivity order is:<\/p>\n\n\n\n\n
This follows the stability trend of their respective carbocations.<\/li>\n<\/ul>\n\n\n\n
\n\n\n\n(iii) Boiling Point Order<\/strong><\/h4>\n\n\n\n
CH\u2083Cl < CH\u2083CH\u2082Br < (CH\u2083)\u2082CHBr<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"