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Chemistry
Fluorobenzene can be synthesised in the laboratory:
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Q. Fluorobenzene can be synthesised in the laboratory:
Amines
A
From aniline by diazotisation followed by heating the diazonium salt with $HBF _{4}$
84%
B
By direct fluorination of benzene with $F _{2}$ gas
6%
C
By reacting bromobenzene with $NaF$ solution
6%
D
By heating phenol with $ HF$ and $KF$
4%
Solution:
Schiemann reaction is when diazonium salt is treated with fluoroboric acid (HBF $_{4}$ ), the fluorobenzene is formed.
