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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3hc182

Which of the following isomers give exactly three constitutional monochlorination products?

  1. AHexane
  2. B2-Methylpentane
  3. C3-Methylpentane
  4. D2,2-Dimethylbutane

Answer: A, D

Hexane has three types of H (C1, C2, C3), so 3 products. 2-Methylpentane has five types and 3-methylpentane four types. 2,2-Dimethylbutane has the methyls, the and the terminal , so 3 products.
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