The emf of the following three galvanic cells :`1. Zn//Zn^(2+) ( 1M) || Cu^(2+) (1 M) //Cu` `2. Zn//
Channel: Doubtnut
Date: 26/01/2020

The emf of the following three galvanic cells :`1. Zn//Zn^(2+) ( 1M) || Cu^(2+) (1 M) //Cu` `2. Zn//ZN^(2+ ) (1 M)|| Cu^(2+) //cu `3. Zn//Zn^(2+) (1 M) || Cu^(2+) (0.1 M) Cu` are repersented by `E_1, E_2, E_3` which of the following statement is true ?