Q83 / 180 · NEET 2020 (Phase 1) · Chemistry

Which of the following is a cationic detergent?

A
Sodium stearate
Correct answer
B
Cetyltrimethyl ammonium bromide
C
Sodium dodecylbenzene sulphonate
D
Sodium lauryl sulphate

Solution

Cetyltrimethyl ammonium bromide

C_{19} H_{42} N^{+} {Br}^{-}

(cationic detergent)
These are synthetic detergents.

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

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