Question
Chemistry Question on Biomolecules
Which one of the following gives positive Fehling's solution test?
A
Sucrose
B
Glucose
C
Fats
D
Protein
Answer
Glucose
Explanation
Solution
Only glucose gives positive Fehling's solution test due to the presence of aldehyde group. All other (sucrose, protein and fats) do not show positive test with Fehling's solution as they do not contain aldehydic group.