For the given cell : Cu(s) | Cu2+(C1M) || Cu2+(C2M) | Cu(s) change in Gibbs energy ($\Delta $G) is negative, if :

Question

For the given cell :

Cu(s) | Cu²⁺(C₁M) || Cu²⁺(C₂M) | Cu(s)

change in Gibbs energy ($\Delta $G) is negative, if :

C₂ = $\sqrt 2 $C₁

C₂ = ${{{C_1}} \over {\sqrt 2 }}$

C₁ = 2C₂

C₁ = C₂

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