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What is the role of a reagent in a qualitative analysis?

Practice Questions

Q1
What is the role of a reagent in a qualitative analysis?
  1. To increase the temperature of the reaction
  2. To change the color of the solution
  3. To provide a specific reaction with the target ion
  4. To dilute the sample

Questions & Step-by-Step Solutions

What is the role of a reagent in a qualitative analysis?
  • 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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