When aluminium chloride is dissolved in water, it gives

$A$ group of atoms can function as a ligand only when

Which among the following is an ambidentate ligand?

For the coordination compound $[Co(H_2O)_4SO_3]Cl$,the coordination number,oxidation state,number of $d$-electrons,and number of unpaired $d$-electrons of the metal ion are respectively:

The oxidation state and covalency of $Al$ in $[AlCl(H_2O)_5]^{2+}$ are $...$ and $...$ respectively.

Which one of the following complexes will consume more equivalents of aqueous solution of $AgNO_3$?