Question

Give the balanced equation for the following conversions:
(i) Ammonia to nitrogen using an acidic gas.
(ii) Ammonia to nitrogen using copper oxide.
(iii) Ammonia to nitrogen using oxygen.
(iv) Ammonia to nitrogen trichloride.
(v) Ammonia to ammonium sulphate.
(vi) Ammonia solution to an amphoteric hydroxide.
(vii) Ammonia to ammonium carbonate.
(viii) Copper oxide to copper.

Answer 1

(i) Ammonia to nitrogen using an acidic gas
$8{\mathrm{NH}}_3\left(\mathrm{excess}\right)+3{\mathrm{Cl}}_2\to {\mathrm{N}}_2+6{\mathrm{NH}}_4\mathrm{Cl}$

(ii) Ammonia to nitrogen using copper oxide
$3\mathrm{CuO}+2{\mathrm{NH}}_3\stackrel{△}{\to }3\mathrm{Cu}+3{\mathrm{H}}_2\mathrm{O}+{\mathrm{N}}_2$

(iii) Ammonia to nitrogen using oxygen
$4{\mathrm{NH}}_3+3{\mathrm{O}}_2\to 6{\mathrm{H}}_2\mathrm{O}+2{\mathrm{N}}_2+\mathrm{Heat}$

(iv) Ammonia to nitrogen trichloride
${\mathrm{NH}}_3+3{\mathrm{Cl}}_2\left(\mathrm{excess}\right)\to {\mathrm{NCl}}_3+3\mathrm{HCl}$

(v) Ammonia to ammonium sulphate
$2{\mathrm{NH}}_3+{\mathrm{H}}_2{\mathrm{SO}}_4\to {\left({\mathrm{NH}}_4\right)}_2{\mathrm{SO}}_4$

(vi) Ammonia solution to an amphoteric hydroxide
${\mathrm{NH}}_3+{\mathrm{H}}_2\mathrm{O}\to {\mathrm{NH}}_4\mathrm{OH}$

(vii) Ammonia to ammonium carbonate
${\mathrm{NH}}_4{\mathrm{HCO}}_3+{\mathrm{NH}}_3\to {\left({\mathrm{NH}}_4\right)}_2{\mathrm{CO}}_3$

(viii) Copper oxide to copper
$3\mathrm{CuO}+2{\mathrm{NH}}_3\stackrel{△}{\to }3\mathrm{Cu}+3{\mathrm{H}}_2\mathrm{O}+{\mathrm{N}}_2$