Question

. 40 ml 0.125 M NiSO4 is electrolyzed by a current of 0.05 A for 40 min. (i) Write reaction at each electrode. (ii ) How many coulombs of electricity were used ? (iii) How many grams of substance were liberated at cathode? (iv) How long appropriate current has to be passed through the solution to separate metal ions completely? (v) How many grams of substance will be deposited after (iv} in electrolysis at anode? (At wt of Ni = 59 )

Answer 1

Answer:

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