Difficult
Pure ammonia is placed in a vessel at a temperature where its dissociation constant $(\alpha)$ is appreciable. At equilibrium,
- A$K_p$ does not change significantly with pressure
- B$\alpha$ does not change with pressure
- CConcentration of $NH_3$ does not change with pressure
- DConcentration of $H_2$ is less than that of $N_2$
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