Equilibrium Question 682

Question: Given reaction is $ 2{X_{(gas)}}+{Y_{(gas)}} $ ⇌ $ 2{Z_{(gas)}}+80,kcal $ Which combination of pressure and temperature gives the highest yield of Z at equilibrium [NCERT 1979]

Options:

A) 1000 atm and $ 500^{o}C $

B) 500 atm and $ 500^{o}C $

C) 1000 atm and $ 100^{o}C $

D) 500 atm and $ 100^{o}C $

Show Answer

Answer:

Correct Answer: C

Solution:

The reaction takes place with a reduction in number of moles (volume) and is exothermic. So high pressure and low temperature with favour the reaction in forward direction



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