Question

The equilibrium constant for the reaction Sr (s) + Mg⁺² (aq)⇌ Sr⁺² (aq) + Mg (s) is 2.69 × 10¹² at 25°C. The E° for a cell made up of Sr/Sr⁺² and Mg⁺²/Mg half cells is 

(1) 0.3667 V 

(2) 0.7346 V 

(3) 0.1836 V 

(4) 3.667 V

Answer 1

Correct option (1) 0.3667 V

Explanation:

The reaction is