Q. Protein gives blue colour with
A) Benedict reagent
B) Iodine solution
C) Ninhydrin
D) Biurete
Explanation
(c)
When protein is boiled with a dilute solution of ninhydrin (triketo hydrindin), a blue colour is produced.
$Protein\ + Ninhydrin\ solution\ \overset{\ \ \ \ \ \mathrm{\Delta}\ \ \ \ \ }{\rightarrow}\ Blue\ colour$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.