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JAMB Chemistry 1991 Question 48

Question 48

Introduction to Organic Chemistry

The compound CH3—CH(CH2Cl)—CH3 is known as

  1. A.1-chloro-2-methylbutane
  2. B.1-chloro-2-methylpropane
  3. C.2-chloromethylpropane
  4. D.1-chloro-2, 2-dimethylethane
Show the answer and explanation

Answer: B (1-chloro-2-methylpropane)

Explanation

The longest chain is three carbons including the CH2Cl carbon. Cl is on C1 and a methyl group is on C2: 1-chloro-2-methylpropane.