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How will you convert benzonitrile to Benzophenone?

Last updated date: 17th Apr 2024
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Benzonitrile is the chemical compound which is a colorless liquid with a sweet almond odor whereas benzophenone is a white solid that is soluble in organic solvents.

Complete step by step answer:
-Conversions are described as ratios of how much of a reactant has reacted, how much of a desired product was formed in ratio to the undesired product.
-Benzonitrile reacts with phenyl magnesium bromide in presence of dry ether to give an imine complex which on acid hydrolysis gives benzophenone.
-During the reaction benzonitrile and phenyl magnesium bromide should be taken in equimolecular proportion.

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Benzophenone can also be prepared by Friedel-Crafts acylation of benzene with benzoyl chloride in the presence of a Lewis acid. (Example aluminium chloride) catalyst.

Benzophenone is used as an ultraviolet curing agent, flavor ingredient, fragrance enhancer and perfume fixate, and as an additive for plastics, coatings and adhesive formulations. Further, benzonitrile is used as a speciality solvent and to make other chemicals.
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