# Problem: What is true if ln K is 1?A. ΔG°rxn is positive and the reaction is spontaneous in the reverse direction.B. ΔG°rxn is positive and the reaction is spontaneous in the forward direction.C. ΔG°rxn is negative and the reaction is spontaneous in the forward direction.D. ΔG°rxn is negative and the reaction is spontaneous in the reverse direction.E. ΔG°rxn is zero and the reaction is at equilibrium.

###### FREE Expert Solution

We’re being asked to determine Gibb's Free energy when K is 1.

Recall that ΔG˚rxn and K are related to each other:

$\overline{){\mathbf{\Delta G}}{{\mathbf{°}}}_{{\mathbf{rxn}}}{\mathbf{=}}{\mathbf{-}}{\mathbf{RTlnK}}}$

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###### Problem Details

What is true if ln K is 1?

A. ΔG°rxn is positive and the reaction is spontaneous in the reverse direction.

B. ΔG°rxn is positive and the reaction is spontaneous in the forward direction.

C. ΔG°rxn is negative and the reaction is spontaneous in the forward direction.

D. ΔG°rxn is negative and the reaction is spontaneous in the reverse direction.

E. ΔG°rxn is zero and the reaction is at equilibrium.