Question

A galvanic cell is composed of two hydrogen electrodes, one of which is a standard
one. In which of the following solutions should the other electrode be immersed
to get maximum emf?
(a) 0.1 M HCI
(c) 0.1 M H2PO4
(b) 0.1 M CH3COOH
(d) 0.1 M H2SO4​

Answer 1

Answer:

B

Explanation:

Using Nrnest equation which is

Ecell=e°cell-log(p/r)×0.05g/h