Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer
    The rate of reaction of which of the following is not affected by pressure?

    A)  \[PC{{l}_{3}}+C{{l}_{2}}\rightleftharpoons PC{{l}_{5}}\]

    B)  \[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}\]

    C)  \[{{N}_{2}}+{{O}_{2}}\rightleftharpoons 2NO\]

    D)  \[S{{O}_{2}}+{{O}_{2}}\rightleftharpoons 2S{{O}_{3}}\]

    Correct Answer: C

    Solution :

     \[\underset{1\,vol}{\mathop{{{N}_{2}}}}\,+\underset{1\,vol}{\mathop{{{O}_{2}}}}\,\rightleftharpoons \underset{2\,vol}{\mathop{2NO}}\,\] The number of molecule of reactants and product are equal in it. So that the reaction is not affected by pressure.


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