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Chemistry

NEET ChemistryClass 12Nucleophilic additionMediumStatement based

Aldehydes and ketones react with many nucleophiles. Which of the statements below are correct?

  • Statement I: Ethanal reacts with HCN to give a cyanohydrin, which on hydrolysis gives 2-hydroxypropanoic acid.
  • Statement II: Aldehydes and ketones react with hydroxylamine to form oximes.
  • Statement III: Sodium hydrogensulphite reduces aldehydes to primary alcohols.
  • Statement IV: Propanone gives a red-brown precipitate with Fehling's solution.

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