Question

Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia -1)Ag+,2)Cu+,3)Cd

Answer 1

cadmium does not form a complex with ammonia

Answer 2

Answer:

4rth option is missing in your question

The answer will be Pb+2 ,because it doesn't have vacant d- orbital ,so it can't form comlexes with ammonia.

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