The type of isomerism present in nitropentammine chromium (III) chloride is

The chemical formula of nitropenta ammine chromium(III) chloride is: $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_5\left(\mathrm{NO}_2\right)\right] \mathrm{Cl}_2$ It can exist in following two structures $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_5\left(\mathrm{NO}_2\right)\right] \mathrm{Cl}_2$ and Pentaamminenitrochromium (III) chloride $\left[\mathrm{Cr}\left(\mathrm{NH}_3\right)_5 \mathrm{ONO}\right] \mathrm{Cl}_2$ Pentaamminenitritochromium (III) chloride Therefore, the type of isomerism found in this compound is linkage isomerism as $\mathrm{NO}_2$ group is linked through N as $-\mathrm{NO}_2$ or through O as ONO.