VIT Engineering VIT Engineering Solved Paper-2011

  • question_answer
    The favourable conditions for a spontaneous reaction are

    A)  \[T\,\,\Delta S>\Delta H,\,\Delta H=+ve,\,\Delta S=+ve\]

    B)  \[T\,\,\Delta S>\Delta H,\,\Delta H=+ve,\,\Delta S=-ve\]

    C)  \[T\,\,\Delta S>\Delta H,\,\Delta H=-ve,\,\Delta S=-ve\]

    D)  \[T\,\,\Delta S>\Delta H,\,\Delta H=+ve,\,\Delta S=+ve\]

    Correct Answer: A

    Solution :

     \[\because \]  \[\Delta G=\Delta H-T\Delta S\] For spontaneous process, \[\Delta G\] should be negative. Hence, \[\Delta H=+ve\], \[\Delta S=+ve\] and \[T\Delta S>\Delta H\]


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