Assertion : Fructose is a reducing sugar. Reason : It has a ketonic group.
Assertion : Fructose is a reducing sugar.
Reason : It has a ketonic group.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.
Solution
All those carbohydrates which contain aldehydic or ketonic group in the hemiacetal or hemiketal form and reduce Tollen's or Fehling's solutions are reducing sugars. All monosaccharides are reducing sugars (whether aldoses or ketoses).
Fructose is a monosaccharide with keto group.