Which of the following is an anionic detergent
Which of the following is an anionic detergent?
- Sodium lauryl sulphate
- Cetyltrimethyl ammonium bromide
- Glyceryl oleate
- Sodium stearate
Solution
Anionic detergents are sodium salts of sulphonated long chain alcohols or hydrocarbons. In anionic detergents, the anionic part of the molecule is involved in the cleansing action. Sodium+(lauryl sulphate)– is an anionic detergent.
Cetyltrimethyl ammonium bromide is a popular cationic detergent and is used in hair conditioners. Non-ionic detergents do not contain any ion in their constitution. Glyceryl Oleate is the ester of glycerin and oleic acid. Sodium stearate is the sodium salt of stearic acid.
The correct option is A.