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Number of faradays of electricity required to liberate 12 g of hydrogen is

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Number of faradays of electricity required to liberate 12 g of hydrogen is
A. 1
B. 8
C. 12
D. 16
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2 Answers

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Best answer

Correct option is: (c) 12

\(H^+ + e^- \rightarrow \frac 12 H_2\)

∵ 1 Faraday of electricity liberated = 0.5 mol \(H_2\) or 1 g of \(H_2\)

∴ To liberate 12g of Hydrogen we have to required 12 Faraday's of electricity

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Correct Answer - C
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