Q43 / 170 · Manipal (MET) 2017 · Chemistry

The reaction is spontaneous if the cell potential is

  • Correct answer
    A
    positive
  • B
    negative
  • C
    zero
  • D
    infinite

Solution

For a reaction to be spontaneous $\Delta G$ should be negative. $\Delta G=-n F E_{\text {cell }}^{\circ}$ From this reaction, $\Delta G$ will be negative when $E_{\text {cell }}^{\circ}$ is positive.

Hence, the correct answer is option: 'A'.

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