Question:
Alkyl chlorides on heating with metal fluorides form alkyl fluorides. This reaction is known as
Alkyl chlorides on heating with metal fluorides form alkyl fluorides. This reaction is known as
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Swartz = Fluorine substitution in alkyl halides.
Updated On: May 4, 2026
- Finkelstein reaction
- Sandmeyer's reaction
- Swartz reaction
- Saytzeff reaction
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The Correct Option is C
Solution and Explanation
Concept:
Swartz reaction is used to prepare alkyl fluorides from alkyl chlorides or bromides.
Step 1: Reaction involved. \[ \text{R-Cl} + \text{AgF / Hg}_2\text{F}_2 \rightarrow \text{R-F} \]
Step 2: Analyze options.
• (A) Finkelstein → Halide exchange (Cl/Br to I) $\times$
• (B) Sandmeyer → Diazonium reactions $\times$
• (C) Swartz → Formation of alkyl fluorides \checkmark
• (D) Saytzeff → Elimination rule $\times$
Step 3: Conclusion. \[ \text{Correct answer = Swartz reaction} \]
Swartz reaction is used to prepare alkyl fluorides from alkyl chlorides or bromides.
Step 1: Reaction involved. \[ \text{R-Cl} + \text{AgF / Hg}_2\text{F}_2 \rightarrow \text{R-F} \]
Step 2: Analyze options.
• (A) Finkelstein → Halide exchange (Cl/Br to I) $\times$
• (B) Sandmeyer → Diazonium reactions $\times$
• (C) Swartz → Formation of alkyl fluorides \checkmark
• (D) Saytzeff → Elimination rule $\times$
Step 3: Conclusion. \[ \text{Correct answer = Swartz reaction} \]
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