First slide

Electrolysis

Question

In electrolysis of dilute H₂SO₄, which is liberated at anode in presence of inert electrode ?

Easy

A

H₂
B

SO₂
C

SO₃
D

O₂

Solution

At Cathode
$2{H_2}O \rightleftharpoons {H_2} + 2O{H^ - } - 2{e^ - }$
At Anode
$2{H_2}O \rightleftharpoons {O_2} + 4{H^ + } + 4{e^ - }$

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