MCQ
In which one of the following equilibria, $K_p \ne K_c$ ?
  • A
    $2NO\left( g \right) \rightleftharpoons {N_2}\left( g \right) + {O_2}\left( g \right)$
  • $2C\left( s \right) + {O_2}\left( g \right) \rightleftharpoons 2CO\left( g \right)$
  • C
    $N{O_2}\left( g \right) + S{O_2}\left( g \right) \rightleftharpoons NO\left( g \right) + S{O_3}\left( g \right)$
  • D
    $2HI\left( g \right) \rightleftharpoons {H_2}\left( g \right) + {I_2}\left( g \right)$

Answer

Correct option: B.
$2C\left( s \right) + {O_2}\left( g \right) \rightleftharpoons 2CO\left( g \right)$
b
If $\Delta {n_g} = 0$

${K_P} = {K_C}$

If $\Delta {n_g} \ne 0,\,{K_P} \ne {K_C}$

Hence $(B)$ is correct answer.

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