From Benzene Sulphonic Acid

How will you convert benzene into Benzene sulphonic acid ?

The compound that does not liberate \(CO_{2}\) on treatment with aqueous Sodium Bicarbonate solution is Benzoic acid Benzene Sulphonic acid Salicylic acid Carbolic acid

How will you bring about benzene to benzene sulphonic acid conversion

Hinsberg’s reagent is (a) Benzene sulphonyl chloride (b)Benzene sulphonic acid (c) Phenyl isocyanide (d)benzene sulphonamide

Sodium salt of benzene sulphonic acid on fusion with caustic soda gives: