Page 45 - Pharm.Org.Chem-I 02-06-05-101
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(a)2-Chloropropane has a plane of symmetry and is achiral.
(b)2-Chlorobutane has no plane of symmetry and is chiral.

85

  Configurational isomers
   include:
  1.Enantiomers.
  2.Optical isomers.
  3.Diastereomers.
  4.Geometrical isomers.

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