$A$ hypothetical electrochemical cell is shown below $A | A^{+} (xM) || B^{+} (yM) | B$. If the cell potential is $+0.20 \ V$,the cell reaction is :-

  • A
    $A + B^{+} \to A^{+} + B$
  • B
    $A^{+} + B \to A + B^{+}$
  • C
    $A^{+} + e^- \to A ; B^{+} + e^- \to B$
  • D
    The cell reaction cannot be predicted

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