MCQ

- AR $>$ Q $>$ P $>$ S
- BP $>$ Q $>$ R $>$ S
- CP $>$ R $>$ S $>$ Q
- DS $>$ R $>$ Q $>$ P

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$PCl_5(g) \rightleftharpoons PCl_3(g) + Cl_2(g)$
If total pressure at equilibrium of the reaction mixture is $P$ and degree of dissociation of $PCl_5$ is $x,$ the partial pressure of $PCl_3$ will be