In the electrolysis of concentrated aqueous solution of potassium propanoate

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n-butane and hydrogen are formed at cathode; carbondioxide and potassium hydroxide are formed at anode

n-hexane and hydrogen are formed at anode; carbondioxide and potassium hydroxide are formed at cathode

n-hexane and carbondioxide are formed at anode; potassium hydroxide and hydrogen are formed at cathode

n-butane and carbondioxide are formed at anode; potassium hydroxide and hydrogen are formed at cathode

answer is C.

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Detailed Solution

$2 C_{2} H_{5} {COO}^{-} K^{+} + 2 H_{2} O \overset{electrolysis}{⟶} \underset{Butane}{C_{2} H_{5} - C_{2} H_{5}} + 2 {CO}_{2} + H_{2} + 2 KOH$

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