Which of the following statements correctly describes a spontaneous reaction?

• A. A spontaneous reaction has a positive Gibbs free energy change and a K value less than 1.
• B. A spontaneous reaction has a negative Gibbs free energy change and a K value greater than 1.
• C. A spontaneous reaction has a positive Gibbs free energy change and a K value equal to 1.
• D. A spontaneous reaction has a zero Gibbs free energy change and a K value equal to 1.

Answer: (B)