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MHT CET Chemistry question

ChemistryElectrochemistryMHT CET

Electrolysis of dilute aqueous NaCl solution was carried out by passing 10 milli ampere current. The time required to liberate 0.01 mol of gas at the cathode is (1 Faraday = ) [IIT JEE 2008]

Answer: (B)

Solution

+ → H2, so 0.01 mol H2 needs 0.02 F = 1930 C; t = 1930/0.010 = 1.93 × s = 19.3 ×

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Question ID VK-066740