1.

State a reason why reaction of liquor ammonia with nitric acid is a neutralization reaction. 

Answer»

Liquor ammonia is a saturated solution of ammonia in water. Ammonia, NH3 dissolves in water to give ammonium hydroxide which dissociates partially to give NH4+ and OH ions. Due to presence of OH ions, ammonium hydroxide acts as an alkali.

NH3(aq) + H2O (l) → NH4OH(aq)

NH4OH(aq) ⇋ NH4+(aq) + OH-(aq)

The reaction between an acid (nitric acid) and an alkali or base is a neutralisation reaction.

NH4OH(aq) + HNO3(aq)  → NH4NO3(aq) + H2O(l)

Hence, the reaction between liquor ammonia and nitric acid is a neutralisation reaction.



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