The compound (CH3)3CBr is classified as

  • A. a primary alkyl halide
  • B. a secondary alkyl halide
  • C. a tertiary alkyl halide
  • D. an aryl halide

Explanation

The carbon carrying the bromine is attached to three other carbon atoms, which makes it tertiary, whereas a primary carbon is attached to one and a secondary to two. This classification matters because tertiary halides react overwhelmingly by the SN1 route while primary halides prefer SN2. An aryl halide would have the halogen attached directly to a benzene ring.

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