Triphenylphosphine $(PPh_3)$ is a:

The ligand present in lithium tetrahydroaluminate is........

In $[X(SO_4)(NH_3)_5]Cl$,the coordination number and oxidation state of $X$ are respectively ...............

What is the number of moles of ionisable $Cl^{-}$ ions in a coordination complex if it forms $2 \ moles$ of $AgCl$ when treated with silver nitrate solution in excess?

Explain the terms 'Coordination Entity' and 'Central Atom/Ion' in the context of coordination compounds.

In $K_4[Ni(C_2O_4)_3]$,what is the sum of the coordination number and the oxidation number of $Ni$?