Chemistry A2 notes – stereoisomerism

STEREOISOMERISM

Geometrical isomers occur in alkenes when both carbon atoms forming the double bond are attached to 2 different groups. It has a restricted rotation.

Optical isomers

  • When the carbon atom is attached to 4 different groups
  • It is asymmetric but cannot be superimposed on its mirror image
  • The mirror images cannot be interconverted without breaking covalent bonds
  • 2 non-superimposable images are optical isomers or enantiomers
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