Which of the following is TRUE for all exergonic reactions?
A) The products have more total energy than the reactants.
B) The reaction proceeds with a net release of free energy.
C) The reaction goes only in a forward direction: All reactants will be converted to products, but no products will be converted to reactants.
D) A net input of energy from the surroundings is required for the reactions to proceed.
E) The reactions are rapid.

Question

Quizplus · Accepted Answer

Exergonic reactions release free energy and proceed spontaneously in the forward direction. This means that the products have less total energy than the reactants and the reaction proceeds with a net release of free energy. Option A is incorrect because the products have less energy, not more, than the reactants. Option C is incorrect because some exergonic reactions can proceed in the reverse direction under certain conditions. Option D is incorrect because exergonic reactions do not require an input of energy from the surroundings. Option E is incorrect because the speed of a reaction is not necessarily related to whether it is exergonic or endergonic.

Which of the Following Is TRUE for All Exergonic Reactions