Sodium alkyl benzene sulphonate is used as a) Detergent b) Soap c) Pesticides d) Fertilizer

Q. 4-MethyI benzene sulphonic acid reacts with sodium acetate to give:

Q. Sodium alkyl benzene sulphonate is used as:

Q. Consider the following two statements about soap and detergent –
(i) Soaps and detergents are salts of long chain fatty acids.
(ii) Both soap and detergent precipitate scum in hard water.
(iii) Soap is sodium or potassium salt of fatty acids whereas detergents are ammoniuma nd sulphonate salts of fatty acids.
Which of the above statements is (are) true?

Q. detergents are sulphonate salts of carboxylic or benzene sulphonicaicd?

Q. The intermediate form in the preparation of phenol by sodium benzene sulphonate is: