The standard potentials at `25^@C` for the following half reactions are given against them ` Zn^(2+)
Channel: Doubtnut
Date: 2020-01-26

The standard potentials at `25^@C` for the following half reactions are given against them ` Zn^(2+) +2e^(-) rarr Zn, E^0 =-0 . 762 V ` `Mg^(2+) +2e^(-) rarr Mg, =- 2.37 V`. When zinc dust is added to a solution of magnesium chloride .`