Chem Mantra
MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryThermodynamics and ThermochemistryGibb’s Energy and Spontaneity

Cell reaction is spontaneous when (a) G is negative (b) G is positive (c) red G is positive (d) red G is negative

Answer
A
Explanation

For a cell reaction to be spontaneous, G  should be negative. As G  = –nFE°cell, so the value will be –ve only when E°cell is + ve. Third Law of Thermodynamics

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