Compound which is added to soap to impart antiseptic properties is

(a) Sodium laurylsulphate

(b) Sodium dodecylbenzenesulphonate

(c) Rosin

(d) Bithional

This is a multiple choice answer as classified in NCERT Exemplar

(d) All soaps are made by boiling fats or oils with suitable hydroxide. Variations are made by adding different raw materials. Sodium laurylsulphate and sodium dodecylbenzenesulphonate are anionic detergents.