Question

For the given  cell; 

Cu(s)|cu²⁺ (C₁M)||Cu²⁺(C₂M)|Cu(s) Change in Gibbs energy (ΔG) is negative, if :

(1) C ₁ = 2C ₂

(2) C₂ = C₁/\(\sqrt{2}\)

(3) C₁ = C₂

(4) C_{2 =} \(\sqrt{2}\) C₁

Answer 1

Correct answer is (4) C₂ = \(\sqrt{2}\) C₁