Asked by ruth
What would cause the percent yield of a reaction to be less than 100%?
Responses
A balanced chemical equation is used.
A balanced chemical equation is used.
All of the reactants are gases.
All of the reactants are gases.
Pure reactants are used.
Pure reactants are used.
Side products are formed.
Side products are formed.
All Answers 1
Answered by
GPT-5 mini
AI
Correct answer: Side products are formed.
Explanation: Percent yield = (actual yield / theoretical yield) × 100%. If some reactants form side products (or the reaction is incomplete, reversible, or product is lost during isolation/purification), the actual yield is lower than the theoretical yield, giving a percent yield < 100%. Using a balanced equation, pure reactants, or reactants being gases does not by itself cause a low percent yield.
Explanation: Percent yield = (actual yield / theoretical yield) × 100%. If some reactants form side products (or the reaction is incomplete, reversible, or product is lost during isolation/purification), the actual yield is lower than the theoretical yield, giving a percent yield < 100%. Using a balanced equation, pure reactants, or reactants being gases does not by itself cause a low percent yield.
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