$N(CH_2CH_2NH_2)_3$ is a ...... ligand.

Which of the following complex compounds does not react with $AgNO_3$ to form a precipitate of $AgCl$?

Number of ambidentate ligands among the following is ................ $NO_2^{-}$,$SCN^{-}$,$C_2O_4^{2-}$,$NH_3$,$CN^{-}$,$SO_4^{2-}$,$H_2O$.

Which of the following ligands are ambidentate?
$P: NO_3^-$,$Q: NO_2^-$,$R: CN^-$,$S: SCN^-$

The coordination number of a central metal atom in a complex can be determined by $......$.

One mole of the complex compound $Co(NH_3)_5Cl_3$ gives $3$ moles of ions on dissolution in water. One mole of the same complex reacts with two moles of $AgNO_3$ solution to yield two moles of $AgCl_{(s)}$. The structure of the complex is