1.

Standard entropy of X_(2),Y_(2)andXY_(3) are 60, 40 and 50 JK^(-1)mol^(-1), respectively. For the reaction, 1/2X_(2)+3/2Y_(2)toXY_(3),DeltaH=-30kJ to be at equilibrium, the temperature will be

Answer»

500 K
750 K
1000 K
1250 K

Answer :B


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