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Which of the following is true for a reaction when AG is a positive value? A) The reverse of the reaction is spontaneous B) The reaction is spontaneous. C) The reaction is at equilibrium. D) The reverse of the reaction has a positive AG value. E) The reverse of the reaction does not occur.

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Answer:

A) The reverse of the reaction is spontaneous

Step-by-step explanation:

Spontaneous means those reaction which occur own their own or just need an initiation. As we know that,

∆G = ∆H-T∆S,

A reaction is spontaneous if ∆G Comes out to be negative . Because only those reactions occur in which either ∆H ( enthalpy change) is negative or ∆S (entropy change) is positive or both condition satisfied , as if in a reaction, let

A + B ------> B + C

If ∆G is positive when reaction proceed in forward direction, i.e. , it means it will be negative if proceed in backwards direction i.e on reactants side . Which means for such reaction backwards reaction is spontaneous.

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