Carbohydrates are defined as optically active polyhydroxy:
AAldehydes or ketones
BAlcohols or thioethers
CAromatics or alkenes
DAnhydrides or amides
Answer & Solution
Correct answer: A. Aldehydes or ketones
1. The general hydrate formula alone is not enough.
2. Their reactions show specific functional groups.
3. They are polyhydroxy aldehydes or ketones.
_Source: syllabus Chemistry Part 2, Unit 10 'Biomolecules'_
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