Multiple choice

Which sugar acid will be produced when a monosaccharide is treated with mild oxidising agent?

  1. Saccharic acid

  2. Uronic acid

  3. Aldonic acid

  4. Gluconic acid

  5. Carboxylic acid
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C Correct answer
Explanation

An aldonic acid is any of a family of sugar acids obtained by oxidation of the aldehyde functional group of an aldose to form a carboxylic acid functional group.  Thus, their general chemical formula is HOOC-(CHOH)n-CH2OH. Oxidation of the terminal hydroxyl group instead of the terminal aldehyde yields a uronic acid, while oxidation of both terminal ends yields an aldaric acid.

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