What does a large negative value of ΔG indicate about a reaction?

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Question: What does a large negative value of ΔG indicate about a reaction?

Options:

Correct Answer: The reaction is highly spontaneous.

Solution:

A large negative value of ΔG indicates that the reaction is highly spontaneous and favors the formation of products.

What does a large negative value of ΔG indicate about a reaction?

What does a large negative value of ΔG indicate about a reaction?

Step 1: Understand what ΔG means. ΔG is the change in free energy of a reaction.
Step 2: Recognize that a negative ΔG value means the reaction can occur without needing extra energy.
Step 3: A large negative value of ΔG means the reaction is very favorable.
Step 4: When a reaction is highly favorable, it means that the products are formed more easily than the reactants.
Step 5: Therefore, a large negative ΔG indicates that the reaction is spontaneous and will likely proceed to completion.

Gibbs Free Energy (ΔG) – ΔG is a thermodynamic potential that indicates the spontaneity of a reaction; a large negative value suggests that the reaction can occur without external energy input.
Spontaneity of Reactions – A reaction with a large negative ΔG is considered spontaneous, meaning it will proceed in the forward direction towards product formation.
Equilibrium and Product Favorability – A large negative ΔG indicates that the equilibrium position of the reaction lies significantly towards the products.