Write with a balanced chemical equation how gypsum is used for the conversion of ammonia into ammonium sulnate without using H2SO4 ?
Give the structure of pyrphyuric acid. How would you prepare it? What would you observe when colourless HI is added to pyrphuric acid ?
Convert phenol to p-hyroxy acetophenone in not more than 2 steps.
An organic compound 'A' on treatment with ammoniacal silver nitrate gives metallic silver and produces a yellow crystalline precipitate of molecular formula C9H10N4O4 on treatment with Brady's reagent. Give the structure of the organic compound 'A'.