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The same current is passed for the same time through solutio...

The same current is passed for the same time through solutions of AgNO3 and CuSO4 connected in series. How much silver will be deposited if 1.0 g of copper is produced?
[Cu = 63.5, S = 32, O = 16, Ag = 108, N = 14]

A.

1.7g

B.

3.4g

C.

6.8g

D.

13. 6 g

Correct answer is B

From Faraday;s second law of electrolysis

Mass of silver depositedMass of copper deposited = Equivalent mass of silverEquivalent mass of copper

Mass of silver deposited1.0g = 10863.5

= 31.75g

Copper is devalent = Cu2+

Mass of silver deposited = 108g31.75g

= 3.30g