What is the basic difference between exergonic and endergonic reactions? Group of answer choices Exergonic reactions release energy; endergonic reactions absorb it. In exergonic reactions, the reactants have less chemical energy than the products; in endergonic reactions, the opposite is true. Exergonic reactions involve the breaking of bonds; endergonic reactions involve the formation of bonds. Exergonic reactions involve ionic bonds; endergonic reactions involve covalent bonds.

The key difference between endergonic and exergonic is that endergonic reactions are non-spontaneous and unfavourable, whereas exergonic reactions are spontaneous and favourable.

The correct answer is: Exergonic reactions release energy; endergonic reactions absorb it.

The basic difference between exergonic and endergonic reactions lies in the amount of energy involved and the direction in which it flows. Exergonic reactions release energy, while endergonic reactions absorb energy.

To determine the correct answer, we can go through each option:

Option 1: Exergonic reactions do indeed release energy, while endergonic reactions absorb it. This option correctly states the difference.

Option 2: Exergonic reactions typically have products with less chemical energy than the reactants, while endergonic reactions have products with higher energy than the reactants. This option is also correct.

Option 3: Exergonic reactions involve the breaking of bonds, which releases energy, while endergonic reactions involve the formation of bonds, which requires an input of energy. This option accurately describes the difference between the two types of reactions.

Option 4: The type of bond involved (ionic or covalent) does not differentiate exergonic and endergonic reactions. Therefore, this option is not correct.

Based on the analysis, the correct answer would be either option 1, 2, or 3. All three options accurately describe the basic difference between exergonic and endergonic reactions.