$\frac{K_p}{K_c}$for following reaction will be

$\frac{K_p}{K_c}$for following reaction will be
  1. $R T$
  2. $\frac{1}{R T}$
  3. $\frac{1}{\sqrt{R T}}$
  4. $\frac{R T}{2}$

Solution

$\Delta_{n_g}=n_p-n_r=1-\frac{3}{2}$ $\Delta_{n_g}=\frac{-1}{2}$. Hence $K_p=K_c(R T)^{-1 / 2}$ $\frac{K_p}{K_c}=\frac{1}{(R T)^{1 / 2}}=\frac{1}{\sqrt{R T}}$

Asked in: NEET 2012 (Screening)

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