First slide

Electrolysis

Question

At cathode, the electrolysis of aqueous Na₂SO₄ gives

Easy

A

Na
B

H₂
C

SO₃
D

SO₂

Solution

$SRP\,\,of\,\,{H_2}O > SRP\,of\,N{a^ + }$
At Cathode H₂O is reduced.
$2{H_2}O \rightleftharpoons {H_2} + 2O{H^ - } - 2{e^ - }$

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