1.

In the given reaction 2X_((g))+Y_((g))iff2Z_((g))+80kcal, which combination of pressure and temperature will give the highest yield of Z at equilibrium?

Answer»

1000 atm and `200^(@)C`
500 atm and `500^(@)C`
1000 atm and `100^(@)C`
500 atm and `100^(@)C`

Solution :As `n_(p)ltn_(R)`, higher the pressure, greater will be yield of Z. As reaction is exothermic in the forward direction, lower the TEMPERATURE, greater is the yield of Z (as at low temperature the reaction is SLOW, usually optimum temperature is used).


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