First slide

Electrolysis

Question

Aqueous NaCl solution is electrolyzed using platinum electrodes. What is the product formed at cathode?

Easy

A

Na
B

H₂
C

O₂
D

Cl₂

Solution

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

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