The electrolyte $[Co(NH_3)_5Cl]Cl_2$ is which of the following type?

The coordination number and oxidation state of $Cr$ in $K_3[Cr(C_2O_4)_3]$ are respectively

Which are the primary valency and secondary valency of the transition metal ion in ammonium diammine dioxalato cobaltate$(III)$ respectively?

The coordination number of aluminum in its common complexes is

$A$ coordination compound of cobalt contains five ammonia molecules,one nitro group,and two chlorine atoms per cobalt atom. One mole of this compound produces three moles of ions in an aqueous solution. Reaction of this solution with excess $AgNO_3$ yields two moles of $AgCl$ precipitate. What is the ionic structure of this complex?

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: