NEET UG CHEMISTRY MCQ: ALDEHYDES & KETONES & CARBOXYLIC ACIDS

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Which of the following is nucleophilic addition reaction?

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Correct option: B

Purification of acetaldehyde by

NaHS{O_3}

Option B (Purification of acetaldehyde by

NaHS{O_3}

) is correct because the reaction of acetaldehyde with

NaHS{O_3}

involves the nucleophilic addition of

HS{O_3}^-

to the carbonyl carbon.

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\mathrm{C}{\mathrm{H}_3}\mathrm{COOH}\xrightarrow{{\mathrm{CaC}{\mathrm{O}_3}}}A\xrightarrow{{\mathrm{Heat}}}B