Which of the following are anionic detergents

1.  Sodium salts of sulphonated long-chain alcohol

2.  Ester of stearic acid and polyethylene glycol

3.  Quarternary ammonium salt of the amine with acetate ion

4.  Sodium salts of sulphonated long-chain hydrocarbons


 

(a, d)

Detergents are cleaning agents that have all the properties of soap, but they actually do not contain any soap. They are of three types which given below

1. Anionic detergents These are sodium salts of sulfonated long-chain alcohols or hydrocarbons.

2. Cationic detergents These are quaternary ammonium salts of amines with acetates chlorides or bromides as anions e.g.,

3. Non-ionic detergents It is formed by the reaction of stearic acid with polyethylene glycol.