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JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank 2nd and 3rd law of thermodynamics and Entropy

  • question_answer
    Which of the following conditions will always lead to a non-spontaneous change               [AMU 2000; KCET (Med.) 2000]

    A)                 Positive \[\Delta H\] and positive \[\Delta S\]

    B)                 Negative \[\Delta H\] and negative \[\Delta S\]

    C)                 Positive \[\Delta H\] and negative \[\Delta S\]

    D)                 Negative \[\Delta H\] and positive \[\Delta S\]

    Correct Answer: C

    Solution :

                    When \[\Delta H=+ve\] and \[\Delta S=-ve\] reaction is non-spontaneous.


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