Question:
Which of the following are anionic detergents?
(i) Sodium salts of sulfonated long-chain alcohol.
(ii) Ester of stearic acid and polyethene glycol.
(iii) Quarternary ammonium salt of an amine with acetate ion.
(iv) Sodium salts of sulfonated long-chain hydrocarbons.
Solution:
Option (i) Sodium salts of sulfonated long-chain alcohol and (iv) Sodium salts of sulfonated long-chain hydrocarbons are the answers.