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Identify the cationic detergent from the following.(a) Cetyltrimethylammonium bromide(b) Sodium dodecyl sulphate(c) Pentaerythritol monostearate(d) Sodium lauryl sulphateI have been asked this question by my school principal while I was bunking the class.I would like to ask this question from Cleansing Agents topic in chapter Chemistry in Everyday Life of Chemistry – Class 12

Answer»

The correct answer is (a) Cetyltrimethylammonium bromide

Explanation: Cetyltrimethylammonium bromideis a quaternary salt cation with bromine as the anion. The cationic PART PARTICIPATES in the cleansing mechanism. Pentaerythritol monostearate is a non-ionic detergent, whereas SODIUM dodecyl sulphate and sodium lauryl sulphate are ANIONIC detergents.



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