Question:
Which of the following reactions is used for the preparation of alkyl fluorides from alkyl chlorides?
Which of the following reactions is used for the preparation of alkyl fluorides from alkyl chlorides?
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Swarts reaction converts alkyl chlorides or bromides to fluorides using metallic fluorides like AgF.
Updated On: Oct 1, 2026
- Sandmeyeres reaction
- Fittig reaction
- Swartz reaction
- Finkelstein reaction
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
Halogen exchange reactions swap one halogen for another.
Step 2: Detailed Explanation
Swarts reaction: \(\text{R-Cl} + \text{AgF} \to \text{R-F} + \text{AgCl}\). This is the fluoride preparation.
Finkelstein reaction gives alkyl iodides using NaI in dry acetone. Sandmeyer reaction converts diazonium salts to aryl halides with Cu(I) salts. Fittig reaction joins aryl halides with sodium to give biaryls.
Final Answer:
The alkyl fluoride preparation is the Swarts reaction, option (C). \[ \boxed{\text{Swarts reaction (C)}} \]
Halogen exchange reactions swap one halogen for another.
Step 2: Detailed Explanation
Swarts reaction: \(\text{R-Cl} + \text{AgF} \to \text{R-F} + \text{AgCl}\). This is the fluoride preparation.
Finkelstein reaction gives alkyl iodides using NaI in dry acetone. Sandmeyer reaction converts diazonium salts to aryl halides with Cu(I) salts. Fittig reaction joins aryl halides with sodium to give biaryls.
Final Answer:
The alkyl fluoride preparation is the Swarts reaction, option (C). \[ \boxed{\text{Swarts reaction (C)}} \]
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