Question

47. What current is to be passed for 0.25 s for deposition of a certain weight of metal which is equal to its electrochemical equivalent ?
1) 4 A 2) 100 A 3) 200 A 4) 2 A​

Answer 1

Answer:

The answer is 4A..

Explanation:

As we know

m=ZQ

it is given that m=Z

so and Q=ct..c=current passed,T=time in a seconds

m=Zct

1=CT

1÷0.25=c

c=4A