Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer
    Cell reaction is spontaneous when

    A)  \[\Delta {{G}^{o}}\] is negative   

    B)  \[\Delta {{G}^{o}}\] is positive

    C)  \[\Delta E_{red}^{o}\]is positive

    D)  \[\Delta E_{red}^{o}\] is negative

    Correct Answer: A

    Solution :

    For spontaneous reaction value of \[\Delta {{G}^{o}}\] is always negative. Note: The free energy change \[(\Delta G)\] of a photochemical reaction may not be negative.


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