For the reaction ${N_{2(g)}} + {O_{2(g)}} \rightleftharpoons 2NO_{(g)}$,the value of $K_c$ at $400 \ K$ is $4.0 \times 10^{-6}$. The value of $K_p$ for this reaction is .....
- A$2.4 \times 10^{-3}$
- B$4.0 \times 10^{-6}$
- C$4.0 \times 10^{-6} \times (RT)^2$
- DNone of these
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