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KVPY Sample Paper KVPY Stream-SX Model Paper-3

  • question_answer
    The percentage of ammonia obtainable, if equilibrium were to be established during the Haber process, is plotted against the operating pressure for two temperatures, \[400{}^\circ C\] and \[500{}^\circ C.\] Which of the following graph correctly represent the two process?

    A)

    B)

    C)

    D)

    Correct Answer: A

    Solution :

    [A] \[{{N}_{2}}(g)+3\,{{H}_{2}}(g)\,\,\,\,2N{{H}_{3}}(g);\Delta \,H<0\] By Le- Chatelier principle, higher pressure and lower temperature favour the forward reaction, i.e. higher % of \[N{{H}_{3}}.\]


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