The equilibrium constant for the reversible reaction

2A(g) $$\rightleftharpoons$$ 2B(g) + C(g) is K₁

$${3 \over 2}$$A(g) $$\rightleftharpoons$$ $${3 \over 2}$$B(g) + $${3 \over 4}$$C(g) is K₂.

K₁ and K₂ are related as :

In which of the following half cells, electrochemical reaction is pH dependent?

The correct order of electron gain enthalpy ($$-$$ ve value) is :

$$\Delta$$G$$^\circ$$ vs T plot for the formation of MgO, involving reaction

2Mg + O₂ $$\to$$ 2MgO, will look like :