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Haryana PMT Haryana PMT Solved Paper-2007

  • question_answer
    For a reaction,\[\Delta H=+29\,kJ\,mo{{l}^{-1}}\]\[\Delta S=-35\,kJ\,mo{{l}^{-1}}\]at what temperature the reaction will be spontaneous?

    A)  \[{{828.7}^{o}}C\]

    B)  \[828.7K\]

    C)  Spontaneous at all temperature

    D)  Not possible

    Correct Answer: D

    Solution :

                    For spontaneous reaction, \[\Delta H=\pm e\] \[\Delta S=+ve\], But, in that reaction \[\Delta S\] is negative, so reaction is not possible.


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