Why is ammonia basic in aqueous solution? - Vidyadip

Question

Why is ammonia basic in aqueous solution?

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Answer

i. As ammonia is highly soluble in water, it readily forms $OH ^{-}$ions in its aqueous solution.
$ NH _{3( g )}+ H _2 O _{(l)} \rightleftharpoons NH _{4( aq )}^{+}+ OH _{(a q)}^{-} $
ii. Thus, due to the formation of $OH ^{-}$ions, aqueous solution of ammonia is basic in nature.

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