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Chemistry
Which of the statement is incorrect if electrolysis of CH 3 COONa (aq.) is made using Pt electrodes?
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Q. Which of the statement is incorrect if electrolysis of $CH _{3}$ COONa (aq.) is made using Pt electrodes?
KEAM
KEAM 2019
A
Ph of solution increases
100%
B
Molar ratio of gases at anode and cathode is $3: 1$
0%
C
$CH _{3} C OO ^{-}$ in solution decreases
0%
D
The molar ratio of gases at anode and cathode is $2: 1 .$
0%
E
Ph of solution decreases
0%
Solution:
At anode:
$2 CH _{3} COO ^{-} \longrightarrow C _{2} H _{6}+2 CO _{2( g )}+2 e^{-}$
At cathode $: 2 H ^{+}+2 e^{-} \longrightarrow H _{2(g)}$
$\therefore CO _{2}: H _{2}=2: 1$