What is the basic structural difference between glucose and fructose?
Answer: Glucose is an aldohexose (–CHO at C-1); fructose is a ketohexose (C=O at C-2).
Solution
Both are CHO, but glucose carries an \textbf{aldehyde} group at C-1 (aldohexose) while fructose carries a \textbf{ketone} at C-2 (ketohexose).
CBSE Class 12 Board · 2019 · Subjective