CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2006

  • question_answer
    For a reaction to be spontaneous at all temperatures :

    A)  \[\Delta G\] and \[\Delta H\] should be negative

    B)  \[\Delta G\] and \[\Delta H\] should be positive

    C)  \[\Delta G=\Delta S=0\]

    D)                  \[\Delta H<\Delta G\]

    Correct Answer: A

    Solution :

    \[\Delta G=\Delta H-T\Delta S\] For a reaction to be spontaneous AG must be negative. If \[\Delta G\] and \[\Delta H\] are negative, then reaction will be spontaneous at all temperature.


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