Question

Write two synthetic application of aryl diazonium salts

Answer 1

They find application in the dye and pigment industries and are used to produce dyed fabrics. They are useful in the synthesisof a large variety of organic compounds, especially arylderivatives. ... For these compounds, we use replacement of diazo group in diazonium salt

Answer 2

Explanation:

Diazonium salts:

The general molecular formula of Diazonium salts are$\mathrm{R}-N_{2}^{+} X^{-}$. In this formula X is an inorganic anion and R is “an alkyl or aryl” group.

Synthetic applications of Diazonium salts:

• We cannot prepare “aryl iodides and fluorides” by direct halogenation.
• It is not feasible to substitute chlorine nucleophilic in chlorobenzene with a cyano group.
• However, it is easy to use Diazonium salts for the production of cyanobenzene.’

• Substituted aromatic compounds can’t be prepared by direct replacement in benzene.
• We use diazo group substitute in Diazonium salts for these compounds.