Question
Chemistry Question on Aldehydes, Ketones and Carboxylic Acids
Which of following give positive Fehling solution test
A
Sucrose
B
Glucose
C
Fats
D
Protein
Answer
Glucose
Explanation
Solution
The correct option is(B): Glucose. Fehling's solution is typically capable of reducing aldehyde groups. Given that only glucose contains an aldehyde group among the substances tested, glucose yields a positive result when subjected to Fehling's solution.