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JEE Main & Advanced JEE Main Paper (Held on 10-4-2019 Morning)

  • question_answer
    A process will be spontaneous at all temperatures if :- [JEE Main 10-4-2019 Morning]

    A) \[\Delta H>0\] and \[\Delta S<0\]

    B) \[\Delta H<0\] and \[\Delta S>0\]

    C) \[\Delta H>0\] and \[\Delta S>0\]

    D) \[\Delta H<0\] and \[\Delta S<0\]

    Correct Answer: B

    Solution :

    \[\Delta G=\Delta H-T\Delta S\] for spontaneous process at all temp. \[\Delta G<0\]and it is possible when \[\Delta H<0\] and \[\Delta S>0\].


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