Question Detail

CHM 102 Practice Questions Objective Question

Question

A compound gives a positive Tollens' test but negative Ninhydrin test. It is
Options
A a protein
B an amino acid
C a monosaccharide
Correct Answer
D pyridine
Correct Answer

Option C is the correct answer.

Detailed Explanation

A compound that gives a positive Tollens' test (reducing sugar) but negative Ninhydrin test (not amino acid/protein) is a monosaccharide (like glucose).

Hint

Which biomolecule gives Tollens' but not Ninhydrin?

Question Info