What type of isomers are glucose and galactose?

1 Answer
Dec 14, 2015

Glucose and galactose are diastereoisomers.

Explanation:

The structures of glucose and galactose are

butane.chem.uiuc.edu

Diastereoisomers are

  • Optical isomers of each other.
  • Not mirror images of each other.
  • Not superimposable on each other.

Glucose and galactose differ in the configuration at #"C-4"#, they are non-superimposable, and they are not mirror images of each other..

They are therefore diastereoisomers.