Fructose has a cyclic or chair-like structure. The chair form of fructose is similar to that of glucose, but in the structure of fructose, there are few exceptions. Fructose has a ketone functional group and the ring closure occurs from 2nd carbon position.
Monosaccharides Short Lecture Notes
Fructose (C6H12O6) - Structure, Properties & Uses of Fructose
Why do monosaccharides form rings in an aqueous solution? - Quora
Properties Of Monosaccharides A-Level Biology Revision Notes
Lab 2e variation in the structure and properties of carbohydrates - San Marin S.T.E.M. Science. Technology. Engineering. Mathematics.
Fructose: Draw the structure of the D form, the Fischer projection, and the Haworth structure of both cyclic forms (alpha and beta).
File:Isomeric forms of fructose.svg - Wikipedia
8.2: Monosaccharides - Chemistry LibreTexts
8.2: Monosaccharides - Chemistry LibreTexts
Structural formula of the sucrose (glucose+fructose).
Structure of Glucose, Fructose and Galactose
Carbohydrates, Overview, Structure & Function - Video & Lesson Transcript
Fructose - Wikipedia