If 96500 coulombs of electricity liberates one gram equivalent of any – McqOptions

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1.	If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper = 32) [Kerala (Engg.) 2002]
A.	5 min 20 sec
B.	6 min 42 sec
C.	4 min 40 sec
D.	5 min 50 sec
Answer» C. 4 min 40 sec

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