Interpretation: The limited and excess reagent needs to be explained.
Concept introduction: A reagent is a substance that is added to the reaction to start the reaction. This reagent can be limited or in excess depending upon its amount.
Answer to Problem 36LC
A limiting reagent is one which used up completely in the reaction and excess reagent remains in the reaction even after its completion.
Explanation of Solution
In a reaction, all reactants react together in a stoichiometric ratio to form a product which is also formed according to stoichiometry. Reactants can be limited or excess reagents.
For example:
- A limiting reagent is a reagent which completely used up in the reaction. The limiting agent even governs the reaction.
- An excess reagent is a reagent that is not completely used up in the reaction. Excess reagent left in the reaction even after completion of the reaction.
A limiting reagent is one which used up completely in the reaction and excess reagent remains in the reaction even after its completion.
Chapter 12 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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