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What is the role of a reagent in a qualitative analysis?
What is the role of a reagent in a qualitative analysis?
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Practice Questions
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Q1
What is the role of a reagent in a qualitative analysis?
To increase the temperature of the reaction
To change the color of the solution
To provide a specific reaction with the target ion
To dilute the sample
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Reagents are used to react with specific ions to produce observable changes, aiding in their identification.
Questions & Step-by-step Solutions
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Q
Q: What is the role of a reagent in a qualitative analysis?
Solution:
Reagents are used to react with specific ions to produce observable changes, aiding in their identification.
Steps: 5
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Step 1: Understand that a reagent is a substance used in a chemical reaction.
Step 2: Know that in qualitative analysis, we want to identify what substances (ions) are present in a sample.
Step 3: Learn that reagents are added to the sample to react with specific ions.
Step 4: Observe the changes that occur when the reagent reacts with the ions, such as color changes, precipitate formation, or gas production.
Step 5: Use these observable changes to determine which ions are present in the sample.
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