A) Ethane
B) Ethene
C) Ethyne
D) All of these
Correct Answer: B
Solution :
This is an example of Kolbes electrolysis. Ethylene is obtained on electrolysis of potassium succinate. \[\underset{C{{H}_{2}}COOK}{\overset{C{{H}_{2}}COOK}{\mathop{|}}}\,\xrightarrow{electrolysis}\underset{C{{H}_{2}}CO{{O}^{-}}}{\overset{C{{H}_{2}}CO{{O}^{-}}}{\mathop{|}}}\,+2{{K}^{+}}\] At anode \[\underset{C{{H}_{2}}CO{{O}^{-}}}{\overset{C{{H}_{2}}CO{{O}^{-}}}{\mathop{|}}}\,\xrightarrow{-2{{e}^{-}}}\underset{C{{H}_{2}}CO{{O}^{^{.}}}}{\overset{C{{H}_{2}}CO{{O}^{^{.}}}}{\mathop{|}}}\,\] \[\xrightarrow{-2C{{O}_{2}}}\underset{CH_{2}^{.}}{\overset{CH_{2}^{.}}{\mathop{|}}}\,\xrightarrow{{}}\underset{Ethene}{\mathop{\underset{C{{H}_{2}}}{\overset{C{{H}_{2}}}{\mathop{||}}}\,}}\,\]
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