The volume of gases evolved at $S T P$ by passing $0.2 A$ of current for $964 s$ through an aqueous solution of sodium fumarate is:

22.4 m L

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11.2 m L

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89.6 m L

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44.8 m L

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Solution

The correct option is A $89.6 m L$
$2 F = 2 \times 96500 C = 4 \times 22.4 L$
$0.2 \times 965 C$ = $\frac{4 \times 22.4 \times 0.2 \times \times 965}{2 \times 96500}$

$= 0.0896 L$
$= 89.6 m l$
so the ans is $89.6 m l$

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Find out the volume of gasses evolved by passing 0.965 A current for 1 hr through an aqueous solution of $C H_{3} C O O N a$ at $25^{0} C$ and 1 atm:

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