Write the electrode reaction and the net cell reaction for the following cells,
Channel: Doubtnut
Date: 26/01/2020

Write the electrode reaction and the net cell reaction for the following cells, which electrode would be the positive terminal in each cell? (a) `Zn|Zn^(2+)||Br^(-),Br_(2)|Pt` (b). `Cr|Cr^(3+)||I^(-),I_(2)|Pt`. (c). `Pt|H_(2),H^(+)||Cu^(2+)|Cu` (d). `Cd|Cd^(2+)||Cl^(-),AgCl|Ag`