❇️Properties of monosaccharide❇️
(a) Monosaccharides are colourless, sweet tasting, solids.
(b) Due to asymmetric carbon, they exist in different isomeric forms. They can rotate polarized light hence they are dextrorotatory and leavorotatory.
(c) D-glucose after reduction gives rise to a mixture of polyhydroxy alcohol, sorbitol or mannitol.
(d) The sugars with a free aldehyde or ketone group reduce Cu++ to Cu+ (cupric to cuprous)
(e) Sugars show oxidation, esterification and fermentation.
(f) The aldehyde or ketone group of a simple sugar can join an alcoholic group of another organic compound bond C-O-C the process involves loss of water and is called condensation (H-O-H) or H+OH → H2O.
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