The rate of reaction of which of the following is not affected by pres

1.	The rate of reaction of which of the following is not affected by pressure [MP PMT 2002]
A.	\[PC{{l}_{3}}+C{{l}_{2}}\]⇌\[PC{{l}_{5}}\]
B.	\[{{N}_{2}}+3{{H}_{2}}\]⇌\[2N{{H}_{3}}\]
C.	\[{{N}_{2}}+{{O}_{2}}\]⇌ 2NO
D.	\[2S{{O}_{2}}+{{O}_{2}}\]⇌\[2S{{O}_{3}}\]
Answer» D. \[2S{{O}_{2}}+{{O}_{2}}\]⇌\[2S{{O}_{3}}\]

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