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JEE Main levelSingle correct optionDifficulty 2 of 3ap172

Methyloxirane (propylene oxide) is treated with in dry ether and then with . The product is

  1. Abutan-1-ol
  2. B2-methylpropan-2-ol
  3. Cpentan-2-ol
  4. Dbutan-2-ol

Answer: D

The Grignard carbon nucleophile opens the epoxide by SN2 attack at the less hindered ring carbon, the . This gives , butan-2-ol, after hydrolysis.
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