Question

E.M.F. of Ni(s)Ni2+ (aq) || Cu2+ (aq)|Cu(s) cell canbe increased by(1) Adding NH, in the right half-cell(2) Increasing the conc. of Ni2+ ions(3) Adding dimethyl glyoxime into the left half-cell(4) Changing the electrolyte present in salt bridge​

Answer 1

E.M.F. of Ni(s)Ni2+ (aq) || Cu2+ (aq)|Cu(s) cell canbe increased by

(1) Adding NH, in the right half-cell

(2) Increasing the conc. of Ni2+ ions

(3) Adding dimethyl glyoxime into the left half-cell✔️✔️✔️

(4) Changing the electrolyte present in salt bridge

Answer 2

Explanation:

due to complex formation