Question:
What are X and Y respectively in the following set of reactions?
What are X and Y respectively in the following set of reactions?
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Balz-Schiemann reaction is the standard method for synthesizing aryl fluorides from diazonium salts.
Updated On: Jun 3, 2026
- KCl; KF
- HCl; KF
- HCl; (i) $HBF_{4}$ (ii) $\Delta$
- Cu | HCl; (i) $HBF_{4}$ (ii) $\Delta$
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The Correct Option is C
Solution and Explanation
Step 1: Concept
This involves the Balz-Schiemann reaction and diazotization transformations of aniline derivatives.
Step 2: Meaning
Aniline is converted to benzenediazonium chloride using $HCl$ (X), and the introduction of Fluorine (Y) is typically achieved using the Balz-Schiemann reagent sequence.
Step 3: Analysis
The conversion of the diazonium salt to a fluorobenzene is done via reaction with $HBF_{4}$ followed by thermal decomposition ($\Delta$).
Step 4: Conclusion
X is $HCl$ and Y is $(i) HBF_{4} (ii) \Delta$.
Final Answer: (C)
This involves the Balz-Schiemann reaction and diazotization transformations of aniline derivatives.
Step 2: Meaning
Aniline is converted to benzenediazonium chloride using $HCl$ (X), and the introduction of Fluorine (Y) is typically achieved using the Balz-Schiemann reagent sequence.
Step 3: Analysis
The conversion of the diazonium salt to a fluorobenzene is done via reaction with $HBF_{4}$ followed by thermal decomposition ($\Delta$).
Step 4: Conclusion
X is $HCl$ and Y is $(i) HBF_{4} (ii) \Delta$.
Final Answer: (C)
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