A certain compound gives a negative test with | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) Ninhydrin ($2, 2-$dihydroxyindane$-1, 3-$dione) reacts with amino groups in proteins and amino acids to produce a blue-violet color. Since the com

Vedclass · Accepted Answer

$A$ monosaccharide

Vedclass · Answer

(B) Ninhydrin ($2, 2-$dihydroxyindane$-1, 3-$dione) reacts with amino groups in proteins and amino acids to produce a blue-violet color. Since the compound gives a negative test with ninhydrin,it does not contain free amino groups.Benedict's solution ($alkaline \ CuSO_4$ and citrate ions) reacts with reducing sugars (monosaccharides and some disaccharides) to produce a reddish-brown precipitate of $Cu_2O$.Therefore,a compound that is negative for ninhydrin and positive for Benedict's solution is a monosaccharide.

$A$ certain compound gives a negative test with ninhydrin and a positive test with Benedict's solution. The compound is:

Similar Questions

Which sugar is called invert sugar? Why is it called so?

Which of the following does not show mutarotation?

Glucose and fructose are

$\alpha-D$-glucose and $\beta-D$-glucose differ from each other due to the difference in the configuration of their carbon atom at:

$\beta-D-(+)-$Glucopyranose is represented by which of the following structures?

Vedclass Test Series

Exam Paper Generator

Online Exam Module