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Questions
Explain the following reaction:
Cannizzaro reaction
Explain the following reaction and write the chemical equation involved:
Cannizzaro reaction
Explain cannizzaro reaction with suitable example.
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Solution
Aldehydes, which do not contain an α-hydrogen atom, undergo self-oxidation and reduction (disproportionation) reaction on heating with concentrated alkali (NaOH/KOH) to form an alcohol and a carboxylic acid salt.
\[\ce{\underset{Benzaldehyde}{2C6H5CHO} + NaOH -> \underset{Benzyl alcohol}{C6H5CH2OH} + \underset{Sodium benzoate}{C6H5COONa}}\]
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