In a chemical reaction, which reactant determines the maximum amount of product that can be formed?

• A. The excess reagent
• B. The catalyst
• C. The limiting reagent
• D. The solvent

Answer: (C)

Verified step by step guidance

1. Understand the role of each term in a chemical reaction: the limiting reagent, the excess reagent, the catalyst, and the solvent.
2. The limiting reagent is the reactant that is completely consumed first during the reaction, thus limiting the amount of product formed.
3. The excess reagent is the reactant that remains after the limiting reagent is used up; it does not limit product formation.
4. A catalyst speeds up the reaction but is not consumed and does not affect the maximum amount of product formed.
5. The solvent is the medium in which the reaction occurs and does not determine the quantity of product formed.