Question

Which one is wrong if electrolysis of $C{H}_{3}COONa$ (aq) is made using Pt electrodes?

• A. pH of solution increases
• B. Molar ratio of gases at anode and cathode is 3 : 1.
• C. $\left[C{H}_{3}CO{O}^{\ominus }\right]$ in solution decreases.
• D. There are 4 different gases released in the whole reaction.

Answer 1

The correct option is B

Molar ratio of gases at anode and cathode is 3 : 1.

$\text{Anode}:2C{H}_{3}CO{O}^{\ominus }\to C_2{H}_6+2C{O}_2+2e^{-}$
$\text{Cathode}:2H^{\oplus }+2e^{-1}\to H_2$
$(C{O}_2:H_2=2:1)$