What is the term for the amount of product formed in a chemical reaction compared to the maximum amount that could be formed?

The term referring to the amount of product formed in a chemical reaction relative to the maximum possible amount is yield. Yield is an important concept in chemistry, as it provides insight into the effectiveness of a reaction. It can be expressed as a percentage, which is calculated by comparing the actual yield (the amount of product obtained from the reaction) to the theoretical yield (the maximum amount of product that could be produced based on stoichiometric calculations).

Understanding yield is crucial for evaluating how successful a reaction is under given conditions. It can be influenced by various factors, including reaction conditions, purity of reactants, and side reactions. Yield provides a quantitative measure of a reaction's efficiency in converting reactants to products.

The other terms, while related to chemical processes, do not specifically denote the comparison of product formation in the same way. Efficiency generally refers to the ratio of useful output to input, rate relates to how quickly a reaction occurs, and equilibrium describes the state in a reversible reaction where the rates of the forward and reverse reactions are equal.