Which of the following statement is true about ΔG?

When it is zero, neither the forward nor the reverse reaction is spontaneous.

When it is zero, both the forward and reverse reaction are spontaneous.

When it is positive, the forward reaction is spontaneous but the reverse is not.

When it is negative, the reverse reaction is spontaneous but the forward is not.

Question

14-06-2017
Chemistry

contestada

Which of the following statement is true about ΔG?

When it is zero, neither the forward nor the reverse reaction is spontaneous.

When it is zero, both the forward and reverse reaction are spontaneous.

When it is positive, the forward reaction is spontaneous but the reverse is not.

When it is negative, the reverse reaction is spontaneous but the forward is not.

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Erudite1 Erudite1 · Answer 1 · 2017-06-22T15:15:53+02:00

Erudite1 Erudite1

22-06-2017

When delta G is equal to zero, neither the forward nor the reverse reaction is spontaneous. The correct option is A. A system at equilibrium has its delta G equals to zero, at this point, the free energy change is neither positive nor negative; the reaction is at equilibrium and both the forward and the reverse reactions are not spontaneous.

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