In the $SCN$ ligand,if $N$ is bonded to the central metal atom,the name of the ligand is.....

Select the correct statements about the $PtCl_4 \cdot 4NH_3$ complex salt:
$I.$ All the chlorides are bonded by primary valency.
$II.$ All the chlorides are bonded by secondary valency.
$III.$ All the $NH_3$ are bonded by secondary valency.
$IV.$ Half of the chlorides are bonded with secondary valency.

When $1 \ mol$ of the complex $Co(NH_3)_5Cl_3$ is dissolved in water,it yields $3 \ mol$ of ions. When $1 \ mol$ of the same complex reacts with $2 \ mol$ of $AgNO_3$,it produces $2 \ mol$ of $AgCl_{(s)}$. What is the structure of this complex?

Which of the following coordination complexes contains a neutral ligand?

The mass of carbon present in $0.5 \, mol$ of $K_4[Fe(CN)_6]$ is .............. $g$.

The covalency of $Al$ in $[AlCl(H_2O)_5]^{2+}$ is: