$EDTA$ has a denticity of:

What is the coordination number of the metal in $[Co(en)_2Cl_2]$?

The coordination number of copper in cuprammonium sulfate is.....

Given below are two statements :
Statement $I :$ The identification of $Ni^{2+}$ is carried out by dimethyl glyoxime in the presence of $NH_{4}OH$.
Statement $II :$ The dimethyl glyoxime is a bidentate neutral ligand.
In the light of the above statements,choose the correct answer from the options given below:

Which of the following is a common donor atom in ligands?

If $1/3$ of the total chlorine in the compound $CrCl_3 \cdot 6H_2O$ is precipitated by adding $AgNO_3$ to its aqueous solution,what is the possible structure of the compound?