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  4. Benzaldehyde can be converted to benzyl alcohol in concentrated aqueous NaOH solution using

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Q. Benzaldehyde can be converted to benzyl alcohol in concentrated aqueous $NaOH$ solution using

KVPYKVPY 2018

Solution:

Benzaldehyde can be converted to benzyl alcohol in concentrated aq. $NaOH$ solution using formaldehyde.
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This reaction is known as Cannizzaro reaction, where one molecule of benzaldehyde is reduced to alcohol while formaldehyde is oxidised to carboxylic acid salt. Aldehydes, which do not have an $\alpha$-hydrogen atom undergo this type of reaction