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CBSE Class 12 · 2000 · Delhi Compartment · Redox Reactions and ElectrochemistryVery Short Answer

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How many faradays of electricity are required to liberate two moles of hydrogen gas in the electrolysis of a solution?

Answer: 4 F

Solution

The cathode reaction is

Liberating 2 mol of H needs 4 mol of electrons, i.e.

CBSE Class 12 Board · 2000 · Delhi Compartment · Subjective

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