Choose the correct answers from the alternatives given .
In a spontaneous reaction, the free energy of a system

increases

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decreases

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becomes equal to zero

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remains unchanged

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Solution

The correct option is B decreases
A spontaneous reaction will always involve a decrease in free energy that is negative delta G. When delta G is negative, the reaction would go in the direction of reactants forming products.
So, the correct option is 'decreases'

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