Definition: What is Cannizzaro Reaction? Cannizzaro reaction is an organic reaction of an aldehyde without active hydrogen that undergoes a redox reaction under the action of a strong base. Examples of aldehydes without active hydrogen include vanillin, benzaldehyde, syringaldehyde, and formaldehyde.

What is meant by Cannizzaro reaction?

: a reaction of aldehydes with caustic alkali in which one molecule of aldehyde is reduced to the corresponding alcohol and another molecule is oxidized to the salt of the corresponding acid.

What is Cannizzaro reaction example class 12?

In this reaction carboxylic acid is treated with soda lime (a mixture of NaOH and CaO) to form alkane with the release of carbon dioxide. For example, when benzoic acid is reacted with soda lime it will give benzene with the release of carbon dioxide gas.