MGIMS WARDHA MGIMS WARDHA Solved Paper-2008

  • 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\[\Delta G\]must be negative. If\[\Delta G\]and\[\Delta H\]are negative, then reaction will be spontaneous at all temperatures.


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