Question

Eº for the cell, Zn|Zn²⁺ (aq)| Cu²⁺ (aq)|Cu is
1.10 V at 25ºC. The equilibrium constant for the
cell reaction:
Zn + Cu²⁺ (aq) ⇌ Cu + Zn²⁺ (aq) , is of the order of
(a) 10⁻¹⁸ (b) 10⁻³⁷ (c) 10¹⁸ (d) 10³⁷

Answer 1

YOUR ANSWER IS IN THE ATTACHMENT PLZZ REFER TO THE ATTACHMENT

Answer 2

(d) 10³⁷

Explanation:

Given: Eº for the cell, Zn|Zn²⁺ (aq)| Cu²⁺ (aq)|Cu is 1.10 V at 25ºC.

Let the equilibrium constant for the cell reaction be K(eq).

E(cell) = E(0-cell) - 0.059/n (log Zn2+/Cu2+)

0 = 1.1 - 0.059/2 (log K(eq))

K(eq) = 1.94 * 10^37

Hence Option D is the answer.