Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    The relation between \[\Delta G\] and E for cell is \[\Delta G=-nFE;\] the cell reaction will be spontaneous, if

    A)  G is negative   

    B)  G is positive

    C)  E is negative    

    D)  E is positive

    Correct Answer: A

    Solution :

    For a spontaneous process decrease in free energy is noticed, ie, \[\Delta G=-ve\] Example  \[2{{O}_{3}}(g)\xrightarrow{{}}3{{O}_{2}}(g)\] At equilibrium \[\Delta G=0\] and for non spontaneous reaction \[\Delta G=+ve\]


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