Q. 22 treated with alkali and ferric chloride ?
(B) Diphenyl sulphide
(C) Phenyl hydrazine (D) Benz-amide.
22. 0.25 g of an organic compound on Kjeldahl•s
analysis gave enough ammonia to Just
neutralise 10 cm3 of 0.5 M H2S04. The
percentage of nitrogen in the compound is
23. The fragrance of flowers is due to the presence
of some steam volatile organic compounds
called essential oils. These are generally in-
soluble in water at room temperature but are
miscible with water vapour in vapour phase. A