What are monosaccharides?

Explanation

Monosaccharides are carbohydrates which cannot be hydrolysed to smaller molecules. Their general formula is `(CH_(2)O)`n where `n = 3 - 7` These are of two types. Those which contain a keto `(C = O)` group are called ketoses.
They are further classified as trioses, tetroses, pentoses, hexoses and heptoses according as they contain 3, 4, 5, 6 and 7 carbon atoms respectively. For example.