Question

Cd amalgam is prepared by electrolysis of a solution of CdCl2 using a
mercury cathode. Current of how much ampere must be passed for
100 seconds in order to prepare 20% Cd-Hg amalgam on a cathode of
2 g mercury? (At.wt. of Cd = 112.40)
(A) 34.32 ampere
(B) 8.58 ampere
(C) 4.29 ampere
(D) 17.16 ampere​

Answer 1

Answer:

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