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In a reaction A + B2 → AB2 Identify the limiting reagent, if any, in the following reaction mixture. 300 atoms of A + 200 molecules of 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.

300 atoms of A + 200 molecules of 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.

According to the given reaction, 1 atom of A reacts with 1 molecule of B. Thus, 200 molecules of B will react with 200 atoms of A, thereby leaving 100 atoms of A unused. 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. 300 atoms of A + 200 molecules of B Concept: Stoichiometry and Stoichiometric Calculations - Limiting Reagent.
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