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NEET Sample Paper NEET Sample Test Paper-26

  • 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 so when \[\Delta H=+ve,\] \[\Delta S=+ve\] and \[T.\Delta S>\Delta H\].


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