Question

preparation of benzoic acid from benzaldehyde​

Answer 1

Benzaldehyde was oxidized to benzoic acid using Na2WO4·2H2O as a catalyst. Different factors, such as different acidic additives, the reaction time, the amount of catalyst, and hydrogen peroxide dosage, on the isolated yield of benzoic acid were investigated.

Conversion of benzaldehyde to benzoic acid

As benzaldehyde posses a benzene ring it facilitates electrophilic substitution reaction. Accordingly, when benzaldehyde is treated with alkaline permanganate it gets oxidized to benzoic acid.

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