CH3-Br-CH3-C-CH3- CH3-Br-C-CH3- CH3-CH-BrCompare rate of E2 reaction -

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Standard XII

Chemistry

Introduction

CH3-Br|CH3|C-...

Question

$C H_{3} - C H_{3} | C | B r - C H_{3}, C H_{3} - C | B r - C H_{3}, C H_{3} - C H - B r$
Compare rate of $E_{2}$ reaction :

c > b > a

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a > b > c

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b > a > c

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c > a > b

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Solution

The correct option is B a > b > c
Forming a stable product affects the rate of reaction. Rate is very high for most stable product, hence
Refer to image
Product are
$C H_{2} = C h (M e)_{2} > C H_{2} = C H C H_{3} > C H_{2} = C H$

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CH3−CH3|C|Br−CH3,CH3−C|Br−CH3,CH3−CH−BrCompare rate of E2 reaction :

The correct option is B a > b > cForming a stable product affects the rate of reaction. Rate is very high for most stable product, hence Refer to image Product are CH2=Ch(Me)2>CH2=CHCH3>CH2=CH

$C H_{3} - C H_{3} | C | B r - C H_{3}, C H_{3} - C | B r - C H_{3}, C H_{3} - C H - B r$
Compare rate of $E_{2}$ reaction :

The correct option is B a > b > c
Forming a stable product affects the rate of reaction. Rate is very high for most stable product, hence
Refer to image
Product are
$C H_{2} = C h (M e)_{2} > C H_{2} = C H C H_{3} > C H_{2} = C H$