Question

One of the following cannot be prepared by Kolbe's electrolytic process ?

• A. $C_2H_2$
• B. $C_2H_6$
• C. $CH_4$
• D. $C_2H_4$

Answer 1

Answer: (C)

$CH_4$

Answer 2

$RCOONa + H_2O$ ${->[\text{Electrolysis}]} \underset{(\text{Higher alkane})}{R-R + CO_2} + H_2 + NaOH$