Soap is sodium or potassium salt of
[amp_mcq option1=”Stearic acid” option2=”Oleic acid” option3=”Palmitic acid” option4=”All of the above” correct=”option4″]
This question was previously asked in
UPSC NDA-1 – 2016
Common fatty acids found in fats and oils used for soap making include saturated fatty acids like stearic acid (C₁₇H₃₅COOH) and palmitic acid (C₁₅H₃₁COOH), and unsaturated fatty acids like oleic acid (C₁₇H₃₃COOH). Therefore, soap is the sodium or potassium salt of long-chain fatty acids like stearic acid, oleic acid, and palmitic acid.