Metallurgical Engineering > GATE 2025 > Electrochemistry
The standard Gibbs free energy change for the reaction Mg+Cd2+↔Mg2++Cd is ______ kJ (rounded off to an integer).
Given: Standard oxidation potentials for the reactions with respect to standard hydrogen electrode are:
Mg↔Mg2++2e-; E°=2.37 V
Cd↔Cd2++2e-; E°=0.403 V
Faraday's constant =96500 C mol-1
Given: Standard oxidation potentials for the reactions with respect to standard hydrogen electrode are:
Mg↔Mg2++2e-; E°=2.37 V
Cd↔Cd2++2e-; E°=0.403 V
Faraday's constant =96500 C mol-1
Explanation
Correct : -380
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