Which of the following statements about D-Fructose are structurally or chemically correct? — Biomolecules Chemistry Question

💡 Solution & Explanation

Fructose is a ketohexose and reduces Fehling's solution because it isomerizes to glucose/mannose under alkaline conditions. It forms the identical osazone as glucose because stereochemistry at C-3, C-4, and C-5 is conserved. However, in sucrose, fructose exists in its 5-membered furanose form, not pyranose.