If ΔG is negative for a reaction, what can be inferred?

Practice Questions

Q1
If ΔG is negative for a reaction, what can be inferred?
  1. The reaction is non-spontaneous.
  2. The reaction is at equilibrium.
  3. The reaction is spontaneous.
  4. The reaction requires energy input.

Questions & Step-by-Step Solutions

If ΔG is negative for a reaction, what can be inferred?
Correct Answer: The reaction is spontaneous.
  • Step 1: Understand what ΔG means. ΔG is the change in free energy of a reaction.
  • Step 2: Know that a negative ΔG value indicates that the energy of the products is lower than the energy of the reactants.
  • Step 3: Recognize that when ΔG is negative, it means the reaction can occur without needing extra energy from outside.
  • Step 4: Conclude that a negative ΔG means the reaction is spontaneous, meaning it will happen on its own under the given conditions.
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