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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

A current of 12 A is passed through an electrolytic cell containing aqueous solution. Both Ni and gas are formed at the cathode. The current efficiency is 60%. What is the mass of nickel deposited on the cathode per hour?

Answer: (A)

Solution

Equivalent weight of Ni . Charge passed in 1 hour . Mass that would deposit at 100%

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Question ID VK-143523