Q4 / 180 · KCET 2024 · Chemistry

Which one of the following is a cationic detergent?

Correct answer
A
Cetyltrimethylammonium bromide
B
Sodium dodecylbenzene sulphonate
C
Dodecylbenzene sulphonic acid
D
Dodecylbenzene

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.

Hence, the correct answer is option: 'A'.

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