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11th Class Physics Thermodynamical Processes Question Bank Critical Thinking

  • question_answer
    For conversion C (graphite) ® C (diamond) the \[\Delta S\] is [MP PMT 2001; MP PET 2003]

    A)                 Zero      

    B)                 Positive

    C)                 Negative             

    D)                 Unknown

    Correct Answer: C

    Solution :

              Conversion of graphite into diamond is an endothermic reaction. So, heat of diamond is higher than that of graphite. But \[\Delta S\]would be negative for the conversion of graphite into diamond.


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