Distinguishing Test
An unknown organic halide gives immediate white precipitate with alcoholic AgNO3. The precipitate is identified as AgCl. The halogen present is:
Select the correct option:
Solution
Chlorine
In silver nitrate test, halide ion released from the substrate reacts with Ag+ to form silver halide precipitate. AgCl is white, AgBr is pale yellow, and AgI is yellow. Since the precipitate is white AgCl, the halogen detected is chlorine.
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About This Question
- Subject
- chemistry
- Chapter
- organic compounds containing halogens
- Topic
- distinguishing test
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Chlorine
In silver nitrate test, halide ion released from the substrate reacts with Ag+ to form silver halide precipitate. AgCl is white, AgBr is pale yellow, and AgI is yellow. Since the precipitate is white AgCl, the halogen detected is chlorine.
This easy difficulty chemistry question is from the chapter organic compounds containing halogens, covering the topic of distinguishing test. It appeared in the 2025 exam.
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