Multiple choice Which of the following acids is not saturated? Lauric acid Oleic acid Palmitic acid Stearic acid None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation This option is correct because it is derived from the olive oil. It contains the 18-carbon atom which adjusts carbon to the carbon double bond and hence, it is known as an unsaturated fatty acid. The formula is CH3(CH2)7HC=CH(CH2)7COOH.