Chemistry - Coordination Chemistry Question with Solution | TestHub

Following is the order of increasing value of ${\Delta }_0$ for the ligands. $$\begin{array}{rl}& {\mathrm{I}}^{-}<{\mathrm{Br}}^{-}<{\mathrm{Cl}}^{-}<{\mathrm{F}}^{-}<{\mathrm{H}}_2\mathrm{O}<\mathrm{Py}={\mathrm{NH}}_3<\text{ en }\\ & <{\mathrm{NO}}_2-<<{\mathrm{CN}}^{-}<\mathrm{CO}\end{array}$$