J & K CET Medical J & K - CET Medical Solved Paper-2008

  • question_answer
    The relationship between Gibbs free energy change\[(\Delta G)\]and emf\[(\Delta S)\]of a reversible electrochemical cell is given by

    A) \[\Delta G=nFE\]             

    B) \[\Delta G=nF/E\]

    C)  \[\Delta G=-nFE\]          

    D) \[\Delta G=E/nF\]

    Correct Answer: C

    Solution :

                    The Gibbs free energy change\[\Delta G\]and emf\[({{E}^{o}})\]of a reversible electrochemical cell are related by the following expression. \[\Delta G=-nFE_{cell}^{o}\] or           \[=-nFE\]


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