Multiple choice

Which of the following are a pair of epimers?

  1. Glucose and fructose

  2. Glucose and mannose

  3. Sorbose and fructose

  4. Allose and mannose

  5. Fructose and galactose

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When two sugars differ only in the configuration around one carbon atom, they are called epimers of each other; D-glucose and D-mannose, which differ only in the stereochemistry at C-2, are epimers.