Nomenclature

Which molecule/ion among the following cannot act as a ligand in complex compounds ?

Which of the following name formula combinations is not correct ?

As per IUPAC nomenclature, the name of the complex $\ce{[Co(H2O)4(NH3)2]Cl3}$ is

The volume (in mL) of 0.1 M $\ce{AgNO3}$ required for complete precipitation of chloride ions present in 30 mL of 0.01 M solution of $\ce{[Cr(H2O)5Cl]Cl2}$, as silver chloride is close to

The compound Z is

The number of water molecule(s) directly bonded to the metal centre in $\ce{CuSO4*5H2O}$ is

The IUPAC name of $\ce{[Ni(NH3)4][NiCl4]}$ is

Sodium fusion extract, obtained from aniline, on treatment with iron(II) sulphate and $\ce{H2SO4}$ in presence of air gives a Prussian blue precipitate. The blue colour is due to the formation of