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NEET levelSingle correct optionDifficulty 1 of 3si175

Ethanal reacts with HCN (trace of base) to give A. A is heated with dilute to give B. B is

  1. A3-hydroxypropanoic acid
  2. B2-hydroxypropanoic acid
  3. Cpropanoic acid
  4. D2-aminopropanoic acid

Answer: B

Ethanal adds HCN to give the cyanohydrin (A). Hydrolysis converts to and leaves the OH on the same carbon, giving , 2-hydroxypropanoic acid.
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