Question:
Identify best method for preparation of Alkyl fluoride from following
Identify best method for preparation of Alkyl fluoride from following
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Alkyl fluorides are made by halogen exchange with a metallic fluoride.
Updated On: Nov 12, 2026
- Finkelstein reaction
- Swartz reaction
- Sandmeyer's reaction
- Wurtz reaction
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
Direct fluorination is too violent, so alkyl fluorides are made by halogen exchange. An alkyl chloride or bromide is heated with a metallic fluoride such as AgF or \(\text{Hg}_2\text{F}_2\).
Step 2: Name the reaction
This halogen exchange is the Swarts reaction.
Step 3: Other options
Finkelstein reaction (NaI in acetone) gives alkyl iodides. Sandmeyer gives aryl halides, and Wurtz joins alkyl halides to alkanes.
Final Answer:
The best method is the Swarts reaction. \[ \boxed{\text{(B) }\text{Swartz reaction}} \]
Direct fluorination is too violent, so alkyl fluorides are made by halogen exchange. An alkyl chloride or bromide is heated with a metallic fluoride such as AgF or \(\text{Hg}_2\text{F}_2\).
Step 2: Name the reaction
This halogen exchange is the Swarts reaction.
Step 3: Other options
Finkelstein reaction (NaI in acetone) gives alkyl iodides. Sandmeyer gives aryl halides, and Wurtz joins alkyl halides to alkanes.
Final Answer:
The best method is the Swarts reaction. \[ \boxed{\text{(B) }\text{Swartz reaction}} \]
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