MCQ
$K_1, K_2$ and $K_3$ are the equilibrium constants of the following reactions $(I), (II)$ and $(III)$, respectively :-
$(I)$ $N_2 + 2O_2  \rightleftharpoons  2NO_2$
$(II)$ $2NO_2  \rightleftharpoons  N_2 + 2O_2$
$(III)$ $NO_2  \rightleftharpoons  \frac{1}{2}N_2 + O_2$
The correct relation from the following is
  • A
    ${K_1} = \sqrt {{K_2}}  = {K_3}$
  • B
    ${K_1} = \frac{1}{{{K_2}}} = \frac{1}{{{K_3}}}$
  • C
    ${K_1} = \frac{1}{{{K_2}}} = {K_3}$
  • ${K_1} = \frac{1}{{{K_2}}} = \frac{1}{{{{({K_3})}^2}}}$

Answer

Correct option: D.
${K_1} = \frac{1}{{{K_2}}} = \frac{1}{{{{({K_3})}^2}}}$
d

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