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Pure ammonia is placed in a vessel at a ...

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

C

concentration of `NH_3` does not change with pressure

D

concentration of `H_2` is less that of `N_2`

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The correct Answer is:
A
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