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Question
For the gas phase reaction, 2NO⇌N2+O2;ΔH=−43.5kcal
Which of the following is/are true of N2+O2⇌2NO?
For the gas phase reaction, 2NO⇌N2+O2;ΔH=−43.5kcal
Which of the following is/are true of N2+O2⇌2NO?
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Solution
The correct options are
C K increases as T decreases.
D Increase in pressure has no effect on K.
The reaction 2NO⇌N2+O2;ΔH=−43.5kcal is an exothermic reaction as the value of enthalpy change is negative.
When temperature is decreased, the equilibrium shifts to right.
Hence, the value of the equilibrium constant K increases.
In this reaction, the number of moles of reactants and products are same. Hence, when pressure is increased, there is no effect on K.
C K increases as T decreases.
D Increase in pressure has no effect on K.
The reaction 2NO⇌N2+O2;ΔH=−43.5kcal is an exothermic reaction as the value of enthalpy change is negative.
When temperature is decreased, the equilibrium shifts to right.
Hence, the value of the equilibrium constant K increases.
In this reaction, the number of moles of reactants and products are same. Hence, when pressure is increased, there is no effect on K.
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