For the electrochemical cell,$M|M^{+}||X^{-}|X,$ given $E^{\circ}(M^{+}|M) = 0.44 \; V$ and $E^{\circ}(X|X^{-}) = 0.33 \; V$. From this data,one can deduce that:

  • A
    $E^{\circ}_{cell} = -0.77 \; V$
  • B
    $M^{+} + X^{-} \to M + X$ is the spontaneous reaction
  • C
    $M + X \to M^{+} + X^{-}$ is the spontaneous reaction
  • D
    $E^{\circ}_{cell} = 0.77 \; V$

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