BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    \[{{A}_{2}}(g)+{{B}_{2}}(g)2AB(g);\Delta H=+ve,\]It:

    A)  increase by pressure

    B)  it occurs at 1000 atm pressure

    C)  it occurs at high temperature

    D)  it occurs at high pressure and temperature

    Correct Answer: C

    Solution :

                     Key Idea: Le-Chatelier principle. \[\because \] It is an endothermic reaction. \[\therefore \]It is favoured at high temperature. \[\because \]Number of moles of reactants and products are same. \[\therefore \]The reaction is not affected by change in temperature.


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