MHT CET 2022 Chemistry question
What current strength is required to deposit 36 g of Ag in 7 minute from AgNO solution by electrolysis? (atomic mass Ag = 108)
Answer: (C)
Solution
The cathode reaction is , so 1 mol of Ag (108 g) needs 1 F = 96500 C. Charge required for 36 g: C. Time s. Current \dfrac{Q}{t}\dfrac{32166.7}{420}$
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