Question

what is limiting reagent ​

Answer 1

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LIMITING REAGENT

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➢ Many a time, the reactions are carried out when the reactants are not present in the amount as required by a balanced chemical reaction.

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➢ In such situations, one reactant is in excess over the other. This reactant which is present in the lesser amount gets consumed after sometime and after that no for the reaction takes place where be the amount of the other reactant present.

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➢ Hence the reactant which gets consumed, limits the amount of product formed and is therefore called limiting reagent.

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Note

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➢ In performing stoichiometric calculations this aspect is also to be kept in mind.

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Answer 2

Answer:

The limiting reagent in a chemical reaction is the substance that is totally consumed when the chemical reaction is completed. The amount of product formed is limited by this reagent, since the reaction cannot continue without it. If one or more other reagents are present in excess of the quantities required to react with the limiting reagent, they are described as excess reagents or excess reactants .

.The limiting reagent must be identified in order to calculate the percentage yield of a reaction since the theoretical yield is defined as the amount of product obtained when the limiting reagent reacts completely. Given the balanced chemical equation, which describes the reaction, there are several equivalent ways to identify the limiting reagent and evaluate the excess quantities of other reagents.

Explanation:

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