Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
Correct answer: C. Detergent
- A. Explosive
- B. Soap
- C. Detergent
- D. Analgesic drug
Explanation
Sodium dodecylbenzene sulfonate has a hydrophobic hydrocarbon tail and a hydrophilic sulfonate group, so it acts as a synthetic detergent. Soaps are salts of fatty acids, not sulfonic acids.
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