Which of the following is unsaturated aliphatic organic acid?
Correct answer: A. Maleic acid
- A. Maleic acid
- B. Oxalic acid
- C. Phthalic acid
- D. Adipic acid
Explanation
Adipic acid is a dicarboxylic acid with the chemical formula HOOC(CH2)4COOH. It is an aliphatic compound that contains two carboxylic acid (-COOH) functional groups separated by a four-carbon chain. Adipic acid is also known as hexanedioic acid. So it is also saturated. CH-COOH ||CH-COOH
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About Carboxylic Acids
Carboxylic acids are named and studied through the combined effects of the carbonyl and hydroxyl groups, their preparation, acidity and hydrogen bonding. Reactions include neutralisation, esterification, reduction and conversion into acid chlorides, anhydrides, esters and amides, with emphasis on how these derivatives interconvert.
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