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Carbonyl compounds can serve both as red...

Carbonyl compounds can serve both as reductant and oxidant, such processes being termed as disproportionation reactions. When non enolizable aldehydes are treated with strong aqueous or alcoholic base, one molecule of aldehydes undergoes reduction to alcohol while another molecule undergoes oxidation to acid. This disproportionation is the result of a nucleophilic addition of hydroxide ion to the aldehyde carbonyl to give a tetrahedral intermediate which can then regenerate the carbonyl group either by expelling hydroxide ion (to revert to aldehyde) or, by expelling hydride ions (to revert to carboxylic acid).
Above passage describes

A

Aldol condensation

B

Perkin reaction

C

Tishchenko reaction

D

Cannizzaro's reaction.

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The correct Answer is:
D
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Carbonyl compounds can serve both as reductant and oxidant, such processes being termed as disproportionation reactions. When non enolisable aldehydes are treated with strong aqueous or alcoholic base, one molecule of aldehydes undergoes reduction to alcohol while another molecule undergoes oxidation to acid. This disproportionation is the result of a nucleophilic addition of hydroxide ion to the aldehyde carbonyl to give a tetrahedral intermediate which can then regenerate the carbonyl group either by expelling hydroxide ion (to revert to aldehyde) or, by expelling hydride ions (to revert to carboxylic acid). The addition of hydroxide ion and expulsion of hydride ion is an example of

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