Question

What is the coordination number of a central ion in octahedral complex? Why does NH3 form complex but NH4+ ion does not?

Answer 1

does not have i,it can''t. or. Proton ...

this is the answer of your question

Answer 2

Answer:

coordination no.central ion in octahedral complex is 6.

NH4^+ does not take part in complex formation because N–atom of NH4^+ does not have any lone pair of electron.