The formula for the coordination compound "Dibromidobis(ethylenediamine)chromium(III) bromide" is: — Coordination Compounds Chemistry Question

💡 Solution & Explanation

The complex has 2 bromido ($Br^-$) and 2 'en' (neutral) ligands. Cr is $+3$. Net charge on sphere $[Cr(en)_2Br_2]^{n}$ is $+3 + 0 + 2(-1) = +1$. One $Br^-$ counter-ion is needed. Formula: $[Cr(en)_2Br_2]Br$.