In the button cells widely used in watCHMes and other devices the following reaction takes place :
Channel: Doubtnut
Date: 2020-07-26

In the button cells widely used in watCHMes and other devices the following reaction takes place :  `Zn(s)+Ag_(2)O(s)+H_(2)O(l) rarr Zn^(2+)(aq)+2Ag(s)+2OH^(c-)(aq)`   Determine `Delta_(r)G^(c-)` and `E^(c-)` for the reaction.