CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2001

  • question_answer
    In which of the following equilibrium systems is the rate of the backward reaction favoured by increase of pressure?

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

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

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

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

    Correct Answer: A

    Solution :

    The rate of backward reaction favoured by increase of pressure in the reaction \[PC{{l}_{5}}=PC{{l}_{3}}+C{{l}_{2}}\] Due to increase in pressure the reaction takes place in a direction where number of moles decrease.


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