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JEE Main levelSingle correct optionDifficulty 2 of 3ro028

The sequence benzene finally gives

  1. Acyclohexene
  2. Bcyclohexa-1,3-diene
  3. Ccyclohexane
  4. Dbenzene

Answer: C

Birch reduction gives cyclohexa-1,4-diene. Both isolated double bonds then add over Pd-C, giving cyclohexane.
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