Question

solution of ammonia is a weak alkali, why

Answer 1

Answer ->

The main reason is that ammonia is proton acceptor

It accept protons from water to produce hydroxide ion (OH) ion.

It is a weak base.

Hence, the solution of ammonia is a weak alkali.

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Answer 2

Explanation:

Furthermore, the ammonium ion acts as a weak acid in aqueous solutions because it breaks down in water to form ammonia and a hydrogen ion. Hence, although ammonia is mostly considered a weak base, it can also act as a weak acid in aqueous solutions.