NEET Sample Paper NEET Sample Test Paper-90

  • question_answer
    Mark the false statement?

    A) A salt bridge is used to eliminate liquid junction potential.

    B) The Gibbs free energy change, \[\Delta G\] is related with electromotive force E as \[\Delta G=-nFE.\]

    C) Nernst equation for single electrode potential is \[E=E{}^\circ -\frac{RT}{nF}\log {{a}_{{{M}^{n+.}}}}\]

    D)  The efficiency of a hydrogen-oxygen fuel cell is 23%.

    Correct Answer: C

    Solution :

    [c] Correct Nernst equation is \[E=E{}^\circ +\frac{2.303\,RT}{nF}\log {{a}_{{{M}^{n\,+}}}}\]


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