Ferric ion forms a Prussian blue precipitate due to the formation of

The colour of light absorbed by an aqueous solution of $CuSO_4$ is:

The compound that inhibits the growth of tumors is

State the importance and applications of coordination compounds.

The reagent used for the detection of $Ni^{2+}$ is $A$. $x$ moles of $A$ react with $Ni^{2+}$ to form a complex of $C$ color. $A$,$x$,and $C$ are respectively:

The formation of Prussian blue color by ferric ions is due to the formation of which compound?