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JAMB Chemistry 2008 Question 39

Question 39

Introduction to Organic Chemistry

The type of isomerism shown by cis- and trans- isomers is

  1. A.optical isomerism
  2. B.positional isomerism
  3. C.functional isomerism
  4. D.geometrical isomerism.
Show the answer and explanation

Answer: D (geometrical isomerism.)

Explanation

Cis and trans isomers differ only in the arrangement of groups in space around a C=C bond; this is geometrical isomerism.