Chemistry
(a) Ammonia reacts with excess chorine to form …………… (nitrogen / nitrogen trichloride / ammonium chloride).
(b) Give a balanced equation: Ammonium hydroxide is added to ferrous sulphate solution.
(c) Write observations: Ammonia gas is passed over heated copper (II) oxide.
Ammonia
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Answer
(a) Ammonia reacts with excess chlorine to form nitrogen trichloride
NH3 + 3Cl2 [excess] ⟶ 3HCl + NCl3
(b) FeSO4 + 2NH4OH ⟶ (NH4)2SO4 + Fe(OH)2 ↓
(c) Black copper [II] oxide is reduced to brown copper.
2NH3 + 3CuO ⟶ 3Cu + 3H2O + N2 [g]
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