Spot the odd type of isomerism

Exercise and reference answers

Questions

1. Items

   1. Chain
   2. Geometrical
   3. Position
   4. Functional

   Reason

   Geometrical is a stereoisomerism; the others are structural.

   Odd item

   Geometrical

2. Items

   1. Optical
   2. Geometrical
   3. Tautomerism
   4. Conformational

   Reason

   Tautomerism is structural; the others are stereo.

   Odd item

   Tautomerism