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NEET Chemistry Electrochemistry / विद्युत् रसायन Question Bank Self Evaluation Test - Electrochemistry

  • question_answer
    A cell reaction would be spontaneous if the cell potential and \[{{\Delta }_{r}}G\] are respectively:

    A) positive and negative

    B) negative, negative

    C) zero, zero

    D) positive, zero

    Correct Answer: A

    Solution :

    [a] For spontaneous \[{{\Delta }_{r}}G{}^\circ =-nFE{}^\circ <0\] \[\therefore \text{ }E{}^\circ >0\]


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