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KCET2024ChemistrySurface Chemistry

Which one of the following is a cationic detergent?

Options

  1. ACetyltrimethylammonium bromide
  2. BSodium dodecylbenzene sulphonate
  3. CDodecylbenzene sulphonic acid
  4. DDodecylbenzene

Correct answer

A. Cetyltrimethylammonium bromide

Step-by-step solution

Cationic detergents are quaternary ammonium salts of amines with acetates, chlorides or bromides as anions. Among the given options cetyltrimethyl ammonium bromide is a popular cationic detergent. It is used in hair conditioners.

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