Detergents are sodium or potassium salts of long chain __________.
aldehydes
ketones
carboxylic acids
sulphonic acids
Which of the following are anionic detergents? (a) Sodium salts of sulphonated long chain alcohol (b) Ester of stearic acid and polyethylene glycol (c) Quarternary ammonium salt of amine with acetate ion (d) Sodium salts of sulphonated long chain hydrocarbons