JEE Main 2016 — Biomolecules Question with Solution
JEE Main 2016 (10 Apr Online)
Question
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Show full solutionCorrect option: C
Step-by-step explanation
Observation of "Rhumann's purple" is a confirmatory test for the presence of proteins. Rhumann's purple is ninhydrin. When the proteins reacts with Rhumann's purple then violet precipitates are formed. This confirms the presence of proteins in the compounds.
The reaction is given below.
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This is a previous-year question from JEE Main 2016, 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.