Finkelstein Reaction
Easychemistry
Finkelstein reaction involves:
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Solution
Incorrect! Answer:
Halogen exchange
The Finkelstein Reaction is a specific method for preparing alkyl iodides from alkyl chlorides or bromides.
- Reaction: R−X+NaIacetoneR−I+NaX↓ (where X=Cl,Br)
- Mechanism: It follows an SN2 pathway.
- Driving Force: Sodium chloride and sodium bromide are insoluble in dry acetone and precipitate out. This shifts the equilibrium forward according to Le Chatelier's principle.
- This is a classic example of Halogen Exchange.
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About This Question
- Subject
- chemistry
- Chapter
- organic compounds containing halogens
- Topic
- finkelstein reaction
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Halogen exchange
The Finkelstein Reaction is a specific method for preparing alkyl iodides from alkyl chlorides or bromides.
- Reaction: R−X+NaIacetoneR−I+NaX↓ (where X=Cl,Br)
- Mechanism: It follows an SN2 pathway.
- Driving Force: Sodium chloride and sodium bromide are insoluble in dry acetone and precipitate out. This shifts the equilibrium forward according to Le Chatelier's principle.
- This is a classic example of Halogen Exchange.
This easy difficulty chemistry question is from the chapter organic compounds containing halogens, covering the topic of finkelstein reaction. It appeared in the 2025 exam.
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