Question

The Kolbe's electrolysis of potassium succinate gives and _______.

A

ethene

B

ethane

C

methane

D

methanol

Medium

Solution

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Correct option is
A

ethene

The Kolbe reaction is formally a decarboxylative dimerisation of two carboxylic acids (or carboxylate ions) The overall general reaction is

 

In dicarboxylates the intramolecular bonding produces alkene.

Potassium succinate results in formation of ethene by Kolbe electrolysis. 

Option A is correct.

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