Q. 22

Q. 22 treated with alkali and ferric chloride ? mourea (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 31. 29 30. (A) 28 (C) 14 (B) 56 (D) 112. 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 In (D) nit

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