Asked by Karen Vinci on May 27, 2024
Verified
Fructose forms ________.
A) a five-membered cyclic hemiacetal
B) a six-membered cyclic hemiacetal
C) a six-membered lactone
D) a five-membered lactone
E) none of the above
Fructose
A simple ketonic monosaccharide found in many plants, sweeter than glucose, and used in foods and beverages.
Cyclic Hemiacetal
A molecule that results from the intramolecular reaction between an aldehyde and an alcohol in the same molecule, forming a cyclic structure with an ether bridge and an alcohol group.
Lactone
A cyclic ester that is formed by the intramolecular condensation of a hydroxy acid.
- Proficiency in delineating the circular formations of monosaccharides along with their hemiacetal manifestations.
Verified Answer
SK
Suraj KaushalMay 29, 2024
Final Answer :
A
Explanation :
Fructose forms a five-membered cyclic hemiacetal when it cyclizes, which is a common structural feature of fructose in its cyclic form.
Learning Objectives
- Proficiency in delineating the circular formations of monosaccharides along with their hemiacetal manifestations.