Standard entropies of X2, Y2 and XY3 are 60, 40 and 50 J K$-$1 mol$-$1 respectively. For the reaction 1/2X2 + 3/2Y2 $\rightleftharpoons$ XY3, $\Delta $H = $-$ 30 kJ, to be at equilibrium, the temperature should be

Question

Standard entropies of X₂, Y₂ and XY₃ are 60, 40 and 50 J K^$-$1 mol^$-$1 respectively. For the reaction

1/2X₂ + 3/2Y₂ $\rightleftharpoons$ XY₃, $\Delta $H = $-$ 30 kJ,

to be at equilibrium, the temperature should be

750 K