JEE Main 2019 — Biomolecules Question with Solution
JEE Main 2019 (08 Apr Shift 2)
Question
Fructose and glucose can be distinguished by:
Choose an option
Show full solutionCorrect option: D
Correct answer
DSeliwanoff's test
Step-by-step explanation
Seliwanoff’s test is used to distinguish between glucose and fructose. Seliwanoff’s reagent (0.5% resorcinol in ) gives red solution with fructose but no change in colour with glucose.
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This is a previous-year question from JEE Main 2019, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.