Cadmium amalgam is prepared by electrolysis of a sodium of `CdCl_2` using a mercury cathode
Channel: Doubtnut
Date: 2020-04-19

Cadmium amalgam is prepared by electrolysis of a sodium of `CdCl_2` using a mercury cathode. How long should a current of 4 A be passed in order to prepare 10% by mass Cd in Cd-Hg amalgam on cathode of 4.5 g Hg? (atomic mass of Cd=112)