First slide

Faraday's Laws

Question

How much time is required for complete decomposition of two moles of water using 4 ampere?

Easy

A

3.86 x 10⁵ sec
B

1.93 x 10⁵ sec
C

96500 sec
D

48250 sec

Solution

$2 H_{2} O \overset{4 e^{-}}{\to} 2 H_{2} + O_{2}$
QF = It
4 x 965OO = 4 x t
t = 96500 sec.

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