Among the given compounds only compound present in 3rd option is a carbohydrate.
What are carbohydrates?
Carbohydrates are the organic molecules which are made up of oxygen atom, carbon atom and hydrogen atom and general molecular formula of carbohydrates is CₙH₂ₙOₙ, where n is the number of atoms.
In the carbohydrate molecule, alcoholic group and aldehyde groups may present.
- First given compound is not a carbohydrates as in that NH₃ group is present.
- Second given compound is also not a carbohydrate as in that carboxylic (-COOH) group is present.
- Third compound is a carbohydrate as in that compound same number of carbon and oxygen atoms are present and number of hydrogen atom is double to C & O atom.
- Fourth compound is also not a carbohydrate, as in that molecule number of carbon and oxygen atom is same but number of hydrogen is not double with respect to C & O.
Hence compound C is carbohydrate.
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