Question:
Aryl fluorides are prepared from diazonium salts using
Aryl fluorides are prepared from diazonium salts using
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Balz–Schiemann reaction is used for preparation of aryl fluorides.
Updated On: Apr 24, 2026
- \(NaF\)
- \(KF\)
- \(BF_3\)
- \(AlF_3\)
- \(HBF_4\)
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The Correct Option is
Solution and Explanation
Concept:
Aryl fluorides are prepared using the Balz–Schiemann reaction.
Step 1: Reaction involved.
\[ ArN_2^+Cl^- + HBF_4 \rightarrow ArN_2^+BF_4^- \xrightarrow{\Delta} ArF + N_2 \]
Step 2: Identify reagent.
Tetrafluoroboric acid (\(HBF_4\)) is used.
Step 1: Reaction involved.
\[ ArN_2^+Cl^- + HBF_4 \rightarrow ArN_2^+BF_4^- \xrightarrow{\Delta} ArF + N_2 \]
Step 2: Identify reagent.
Tetrafluoroboric acid (\(HBF_4\)) is used.
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