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 than that of $N_2$

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