Question on: JAMB Chemistry - 2024
For chemical reaction to be spontaneous, ∆G must be
A
positive
B
negative
C
zero
D
equal to the enthalpy change
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Correct Option: B
A chemical reaction is spontaneous when it occurs without any external input of energy. The spontaneity of a reaction is determined by the Gibbs free energy change (∆G).
- If ∆G is negative, the reaction is spontaneous.
- If ∆G is positive, the reaction is non-spontaneous.
- If ∆G is zero, the reaction is at equilibrium.
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