Question

Ammonia acts as a ligand but ammonium ion does not form complexes beacause

Answer 1

Answer:

ligand to metal; as NH3 with a lone pair on nitrogen can form complexes but NH4+ does not have it.So,it can''t. ... Ammonia has free lone pair, it can form stable complex by donating the electrons while ammonium ion do not have free lone pair to donate, so not form complex ions.

Explanation:

Answer 2

Ammonia acts as a  but ammonium ion does not form complexes because $NH_4^+$  ion does not possess any lone pair of electrons.

Explanation:

• Ammonia ($NH_3$) contains nitrogen and hydrogen.
• In Ammonia, one nitrogen atom is linked with three hydrogen atoms.

• It doesn't possess any charge.

• When a pair of electrons are given to metal, the complexes are formed.

• In Ammonia, nitrogen which has a pair of electrons can produce complexes.

• NH₄⁺ is the chemical formula of ammonium ions.

• When Ammonia accepts a proton, it produces ammonium ions which are positively charged.

• This ammonium ion doesn't possess any lone electrons to form complex.

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