First slide

Faraday's Laws

Question

For the electrolytic production of NaClO₄ from NaClO₃ according to the equation
${NaClO}_{3} + H_{2} O \to {NaClO}_{4} + H_{2}$ the number of Faradays of electricity required to produce 0.5 mole of NaClO₄ is

Moderate

A

1
B

2
C

3
D

1.5

Solution

Change in oxidation state = 7 - 5 = 2
To produce 1 mole of NaClO₄= 2 F required
To produce 0.5 mole of NaClO₄= 0.5 x 2 = 1 F

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