These can be defined as the hydrates of carbon. But this definition also applies to some other compounds that do not fall under the category of carbohydrate.
So, the carbohydrates are defined as polyhydroxy aldehydes and ketones.
Carbohydrates can be represented by the stoichiometric formula (CH2O)n, where n is the number of carbons in the molecule.
The ratio of carbon to hydrogen to oxygen is 1:2:1 in carbohydrate molecules.
Carbohydrates are classified as follows:
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