$ceNH3 + H2O -> NH4OH$
So That"s why, they said that it is a base.
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But in a neutralization reaction, pointed out by ours teacher,
Acid + base = Salt + water
So, if $ceNH3$ is a basic then,it need to be,
Acid + $ceNH3$ = Salt + Water
But it does not happen. Once reacting with acid, that doesn"t produce water.
$ceNH3 + HCl -> NH4Cl$
$ceNH3 + H2SO4 -> (NH4)2SO4$
So the is not developing water in the neutralization reaction. Hence, I"m perplexed whether that is basic or not.
Your troubles are caused by utilizing the Arrhenius theory, i m sorry is based on electrolytic dissociation.
According to the Arrhenius definition, acids are compounds that dissociate and release hydrogen ions $(ceH+)$ right into the solution:$$ceHCl -> H+ + Cl-$$Bases are defined as compounds that dissociate and release hydroxide ion $(ceOH-)$ right into the solution:$$ceNaOH -> Na+ + OH-$$The commodities of a neutralization reaction of an acid with a base are a salt and also water:$$ceHCl + NaOH -> NaCl + H2O$$This meaning works for steel hydroxides such together $ceNaOH$, which can exist together pure compounds. However, it doesn’t occupational for bases such together $ceNH3$.
In order to solve this difficulty for $ceNH3$, the fictitious link “ammonium hydroxide” $ceNH4OH$ was proposed (see also this related answer). Suspect this formula, the Arrhenius definitions of bases and neutralization reactions work-related again:$$ceNH4OH -> NH4+ + OH-$$$$ceHCl + NH4OH -> NH4Cl + H2O$$However, ammonium hydroxide can not be isolated; the fictitious solid link does no exist. Nevertheless, the misleading traditional name “ammonium hydroxide” is tho widely used for remedies of ammonia in water.
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In order to really settle your troubles with $ceNH3$, you must switch native the meaning of bases according to the Arrhenius theory to the definition of bases follow to the Brønsted–Lowry theory.