In the complex ion $[Fe(C_2O_4)_3]^{3-}$,the coordination number of $Fe$ is

$A$ $200 \ mL$ solution $X$ contains $0.02 \ mol$ of $[Co(NH_3)_5Br]Cl_2$ and $0.02 \ mol$ of $[Co(NH_3)_5Cl]SO_4$. If solution $X$ is treated with excess $AgNO_3$ and excess $BaCl_2$,what will be the number of moles of precipitates $Y$ and $Z$ formed,respectively?

The secondary valency and the number of hydrogen bonded water molecule$(s)$ in $CuSO_{4} \cdot 5H_{2}O,$ respectively,are :

Write a note on ambidentate ligands.

Which of the following will not give a white precipitate with silver nitrate $(AgNO_3)$?

Define the following terms: Homoleptic and heteroleptic complexes.