Question

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WHAT IS Balz-Schiemann Reaction???

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Answer 1

the schieman reaction is a chemical reaction in which primary aromatic amine is transformed to anyl fluoride via a diazonium

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Answer 2

The Schiemann reaction (also called the Balz–Schiemann reaction) is a chemical reaction in which a primary aromatic amine is transformed to an aryl fluoride via a diazonium tetrafluorofluoroborate intermediate.[1][2] Both thermal and photolytic decomposition of the diazonium intermediate proceed through an arene cation, as evidenced by the equal product ratios in both cases.[3] Named after the German chemists Günther Schiemann and Günther Balz, this reaction is the preferred route to fluorobenzene and some related derivatives,[4] including 4-fluorobenzoic acid.[5]

Reaction

The reaction is similar to the Sandmeyer reaction, which converts diazonium salts to other aryl halides.[6] Other Counterions have been used in place of tetrafluoroborates, such as hexafluorophosphates (PF-) and hexafluoroantimonates (SbF-) with improved yields for some substrates.[7]Large-scale thermal decomposition of the diazonium salts is potentially explosive.