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The equilibrium constant of the following are :
\( \mathrm{P} \)
\[
\begin{array}{ll}
\mathrm{N}_{2}+3 \mathrm{H}_{2} \rightleftharpoons 2 \mathrm{NH}_{3} ; & \mathrm{K}_{1} \\
\mathrm{~N}_{2}+\mathrm{O}_{2} \rightleftharpoons 2 \mathrm{NO} ; & \mathrm{K}_{2} \\
\mathrm{H}_{2}+\frac{1}{2} \mathrm{O}_{2} \rightleftharpoons \mathrm{H}_{2} \mathrm{O} ; & \mathrm{K}_{3}
\end{array}
\]
W
The equilibrium constant \( (\mathrm{K}) \) of the reaction \( 2 \mathrm{NH}_{3}+\frac{5}{2} \mathrm{O}_{2} \rightleftharpoons 2 \mathrm{NO}+3 \mathrm{H}_{2} \mathrm{O} \), will be
(1) \( \frac{\mathrm{K}_{1} \mathrm{~K}_{3}^{3}}{\mathrm{~K}_{2}} \)
(2) \( \frac{\mathrm{K}_{2} \mathrm{~K}_{3}^{3}}{\mathrm{~K}_{1}} \)
(3) \( \frac{\mathrm{K}_{2} \mathrm{~K}_{3}}{\mathrm{~K}_{1}} \)
(4) \( \frac{\mathrm{K}_{2}^{3} \mathrm{~K}_{3}}{\mathrm{~K}_{1}} \)


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