Multiple choice

If the value of free energy is negative, what does this indicate?

  1. The reaction is non-spontaneous

  2. The reaction cannot occur

  3. The reaction requires additional energy

  4. The reaction is spontaneous

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A negative change in Gibbs free energy (delta G < 0) indicates that a chemical reaction is exergonic and thermodynamically spontaneous, meaning it can occur without the input of additional energy.