Detection Of Halogens
In Carius method for estimation of halogens, an organic compound is heated with fuming HNO3 and AgNO3 in a sealed tube. The purpose of AgNO3 is to:
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About This Question
- Subject
- chemistry
- Chapter
- principles related to practical chemistry
- Topic
- detection of halogens
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Precipitate halide ions as AgX
In Carius estimation, halogen in the organic compound is converted to halide ions under strongly oxidizing conditions. Silver nitrate traps these halides as insoluble silver halides (AgCl, AgBr, AgI), which can be weighed for quantitative estimation.
This medium difficulty chemistry question is from the chapter principles related to practical chemistry, covering the topic of detection of halogens. It appeared in the 2025 exam.
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