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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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