question_answer

The gas liberated by the electrolysis of dipotassium succinate solution is:

A) Ethane             

B) Ethyne

C) Ethene          

D) Propene

Correct Answer: C

Solution :

[c] Ethene is obtained by electrolysis of dipotassium succinate as follows Pot. Succinate \[2{{H}_{2}}O\rightleftharpoons 2O{{H}^{-}}+2{{H}^{+}}\] At anode: At cathode: \[2{{H}^{+}}+2{{e}^{-}}\to [2H]\xrightarrow{{}}{{H}_{2}}\]