Question

Ammonium nitrate is not used to yield nitrogen.

Answer 1

Nitrogen gas is considered as a colourless and odourless gas. It contains five electrons in its valence shell and the compounds formed from it are generally trivalent. It is extracted by the process of fractional distillation. Nitrogen can be fixed by azotobacter, legumes and bacteria

Complete step-by-step answer:
Ammonium nitrate is the salt which is ionic in nature. It gets dissolved in water and dissociated into it. It is derived from weak base ammonia and strong acid nitric acid. The structure of ammonium nitrate has nitrate ion in which the pi electrons have the tendency to delocalise due to resonance. It is crystalline solid with white colour and has a trigonal structure. The reaction of ammonium nitrate and water is endothermic in nature. It can react with the hydroxides of alkali metals. It is used in the manufacturing of fertilizers. It does not lose its nitrogen in the atmosphere. But when it is mixed with fuel oil it forms an explosive compound called ANFO.

The chemical formula of ammonium nitrate is $N{{H}_{4}}N{{O}_{3}}$. On decomposition of ammonium nitrate it has the tendency to produce nitrous oxide and water. When the ammonium nitrate is heated the reaction which occurs is follows:
$N{{H}_{4}}N{{O}_{3}}\xrightarrow{heat}{{N}_{2}}O+2{{H}_{2}}O$

So nitrogen gas cannot be obtained by ammonium nitrate.

Note: Nitrogen is used in the manufacturing of ammonia. The liquid form of nitrogen is used as refrigerant for freezing and transporting the food stuff. It is an important component in the nitrogen cycle. Ammonium nitrate is used in the mining and construction industry as the component of explosives.