Match the columns. \begin{tabular}{ll} \hline Column I & Column II \\ \hline (A) \( \mathrm{H}_{...
Match the columns.
\begin{tabular}{ll}
\hline Column I & Column II \\
\hline (A) \( \mathrm{H}_{2}(\mathrm{~g})+\mathrm{I}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{HI}(\mathrm{g}) \) & (P) Unaffected by inert gas addition. \\
(B) \( \mathrm{CaCO}_{3}(\mathrm{~s}) \rightleftharpoons \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_{2}(\mathrm{~g}) \) & (Q) Forward shift by rise in pressure and backward shift by inert gas \\
addition. \\
(C) \( \mathrm{N}_{2}(\mathrm{~g})+3 \mathrm{H}_{2}(\mathrm{~g}) \rightleftharpoons 2 \mathrm{NH}_{3}(\mathrm{~g}) \) & (R) Unaffected by increase in pressure. \\
(D) \( \mathrm{PCl}_{5}(\mathrm{~g}) \rightleftharpoons \mathrm{PCl}_{3}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \) & (S) Backward shift by rise in pressure and forward shift by inert gas \\
& addition. \\
\hline
\end{tabular}
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