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Ammonia is a Lewis base. It forms comple...

Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia

A

`Ag^(+)`

B

`Cu^(++)`

C

`Cd^(++)`

D

`Pb^(++)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Pb^(++)` because it does not have vacant d-orbitals nor high nuclear charge and it does not belong to transition series.
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