A compound has a vapour density of 29. On warming an aqueous solution of alkali, it gives a yellow precipitate. The compound is (a) CH3CH2CHO (b) CH3CHOHCH3 (c) CH3COCH3 A compound has a vapour density of 29. On warming an aqueous solution of alkali it gives a yellow precipitate. The compound is (a) CH3CH2CHO (b) [...]