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In a reaction A + B2 → AB2 Identify the limiting reagent, if any, in the following reaction mixture. 5 mol A + 2.5 mol B - CBSE (Science) Class 11 - Chemistry

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Question

In a reaction

A + B2 → AB2

Identify the limiting reagent, if any, in the following reaction mixture.

5 mol A + 2.5 mol B

Solution

A limiting reagent determines the extent of a reaction. It is the reactant which is the first to get consumed during a reaction, thereby causing the reaction to stop and limiting the amount of products formed.

1 mol of atom A combines with 1 mol of molecule B. Thus, 2.5 mol of B will combine with only 2.5 mol of A. As a result, 2.5 mol of A will be left as such. Hence, B is the limiting reagent.

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Solution In a reaction A + B2 → AB2 Identify the limiting reagent, if any, in the following reaction mixture. 5 mol A + 2.5 mol B Concept: Stoichiometry and Stoichiometric Calculations - Limiting Reagent.
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