CBSE Class 12-science Answered
what difference between sandmeyer and balz sheiman reaction?
Asked by gargimoitreyee | 17 Mar, 2018, 10:46: AM
Expert Answer
Sandmeyer’s reaction
When a primary aromatic amine, dissolved or suspended in cold aqueous mineral
acid, is treated with sodium nitrite, a diazonium salt is formed.
Mixing the solution of freshly prepared diazonium salt with cuprous chloride or
cuprous bromide results in the replacement of the diazonium group by –Cl or –Br.
Balz-Schiemann Reaction:
The conversion of aryl amines to aryl fluoride via formation of diazonium fluoroborates.
This reaction involves the replacement of the diazonium group by –F.
Answered by Varsha | 17 Mar, 2018, 12:55: PM
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