J & K CET Engineering J and K - CET Engineering Solved Paper-2009

  • question_answer
    In which one of the following equilibria, the increase of pressure over the equilibrium will favour the reaction?

    A)  Pecomposition equilibrium of HI

    B)  Formation equilibrium of\[\text{S}{{\text{O}}_{\text{3}}}\]

    C)  Decomposition equilibrium of\[\text{N}{{\text{H}}_{3}}\]

    D)  Formation equilibrium of \[PC{{l}_{5}}\]

    Correct Answer: C

    Solution :

     In the decomposition reaction of\[\text{N}{{\text{H}}_{\text{3}}}\text{,}\]the number of moles of products formed is greater than that of reactant involved. \[2N{{H}_{3}}\rightleftharpoons {{N}_{2}}+3{{H}_{2}}\] Increase in pressure favours the reaction, in which number of moles are less, thus. in this reaction, increase in pressure favours the backward reaction.


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