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The compound with the formula C2(H2O)2 is a ______(a) carbohydrate(b) carboxylic acid(c) aldehyde(d) monosaccharideI have been asked this question during an online exam.My question is based upon Biomolecules Carbohydrates in section Biomolecules of Chemistry – Class 12

Answer»

Correct answer is (b) carboxylic acid

For explanation: The compound is acetic acid (CH3COOH). EVEN THOUGH it has the GENERAL formula Cx(H2O)y of CARBOHYDRATES, it is not one. This is one the flaws of the general formula definition of carbohydrates.



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