Chemistry
Copy and complete the following equations.
(a) AlN + H2O ⟶
(b) 2NH3 + 3PbO ⟶
(c) NH3 + 3Cl2 ⟶
(d) NH3 + CO2 ⟶
(i) Which property of ammonia is illustrated by equation (c)?
(ii) What important fertiliser is prepared from equation (d)? State the conditions.
Answer
(a) AlN + 3H2O ⟶ Al(OH)3 + NH3↑
(b) 2NH3 + 3PbO ⟶ 3Pb + 3H2O + N2 [g]
(c) NH3 + 3Cl2 [excess] ⟶ 3HCl + NCl3
(d) 2NH3 + CO2 ⟶ NH2CONH2 + H2O
(i) Ammonia acts as a reducing agent as it loses hydrogen in equation (c).
(ii) Urea is prepared from equation (d). Ammonia reacts with carbon dioxide at 150°C and 150 atm, pressure to give urea.
Related Questions
(a) What do you observe when ammonium hydroxide is added to the aqueous solution of :
(i) FeSO4
(ii) Iron (III) chloride.
(iii) Lead nitrate
(iv) Zinc nitrate
(b) Write balanced equation for Q.8(a).
Ammonia solution in water gives a blue precipitate when it combines with a solution of copper salt. The blue precipitate further dissolves in excess of ammonia solution to give an azure blue solution. Explain with equation.
Distinguish between the following (using ammonia solution) :
(a) Calcium chloride and zinc chloride.
(b) Ferric salt and ferrous salt
(c) Zinc nitrate and lead nitrate
Give chemical equation(s) to prove that NH3 contains nitrogen and hydrogen?