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Question

Which of the following is an α - elimination reaction?


A

CHX3 Alc.KOH/−−−−−− :CX2 + X + H

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B

CH3CH2CH2L CH3CH=CH2+HL

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C

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D

None of these

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Solution

The correct option is A

CHX3 Alc.KOH/−−−−−− :CX2 + X + H


Option (c) is not an elimination reaction because nothing is removed.

Now, what is α - elimination?

The reaction in which 2 atoms from a molecule are removed from the same atom is called α - elimination.

It leads to the formation of an electron-deficient reactive intermediate.


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