Equilibrium Question 570

Question: For the gaseous phase reaction 2NO ⇌ $ N_2+O_2\Delta H{}^\circ =+\ 43.5kcal,mo{l^{-1}} $ Which statement is correct [MH CET 1999]

Options:

A) K varies with addition of NO

B) K decrease as temperature decreases

C) K Increases as temperature decreases

D) K is independent of temperature

Show Answer

Answer:

Correct Answer: B

Solution:

2.303 log $ \frac{K_2}{K_1}=\frac{\Delta H}{R}\frac{[T_2-T_1]}{T_1\times T_2} $

$ \Delta H= $ +ve for the reaction



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