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Tardigrade
Question
Chemistry
Replacement of diazonium group by fluorine is known as
Q. Replacement of diazonium group by fluorine is known as
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A
Gattermann reaction
B
Sandmeyer reaction
C
Balz-Schiemann reaction
D
Etard reaction
Solution:
When diazonium salt is treated with fluoroboric acid
(
H
B
F
4
)
, benzene diazonium fluoroborate is precipitated, which on heating gives fluorobenzene. This reaction is called Balz Schiemann reaction.