Question

Standard electrode potentials for Sn⁴⁺ / Sn²⁺ couple is +0.15 V and that for Cr³⁺/Cr couple is – 0.74 V. These two couples in their standard states are connected to make a cell. The cell potential will be:

(a) +1.83 V
(b) +1.19 V
(c) +0.89 V
(d) +0.18 V

Answer 1

Correct option is (c) +0.89 V