Draw the structure of the compound formed when D-xylose is treated with H_{2} in the presence of a Pd catalyst. The product, xylitol, is a sweetener used in sugarless chewing gum and other products.
Analysis
• Locate the C\overline{—}O and mentally break one bond in the double bond.
• Mentally break the H—H bond of the reagent and add one H atom to each atom of the C\overline{—}O,forming new C—H and O—H bonds.