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Question

Which of the following is/are elimination reaction(s)?


A

CH3CH2Cl+KOH(alc)CH2=CH2+HCl

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B

CH3CH2OH+H2SO4 CH2=CH2+H2O

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C

CH2=CH2+H+CH3CH2

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D

Both (a) and (c)

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Solution

The correct options are
A

CH3CH2Cl+KOH(alc)CH2=CH2+HCl


B

CH3CH2OH+H2SO4 CH2=CH2+H2O


What is an elimination reaction?

The reaction in which 2 atoms or group of atoms are removed from a molecule is called an elimination reaction.

Here,

CH3CH2Cl + KOH CH2=CH2 + HCl

HCl is eliminated from the reactant.

CH3CH2OH+H2SO4 CH2=CH2+H2O
H2O is eliminated from the reactant.


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