When Eext > 1 1 V
(i) Electrons flow
from Cu to Zn
and current flows
from Zn to Cu (ii) Zinc is deposited
at the zinc
electrode and
copper dissolves at
copper electrode (a)
(b)
(c)
Rationalised 2023-24
33
Electrochemistry
As mentioned earlier a galvanic cell is an electrochemical cell that
converts the chemical energy of a spontaneous redox reaction into
electrical energy