The formula for the coordination compound "Dibromidobis(ethylenediamine)chromium(III) bromide" is: — Coordination Compounds Chemistry Question
Question
The formula for the coordination compound "Dibromidobis(ethylenediamine)chromium(III) bromide" is:
Answer: D
💡 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: $[Cr(en)_2Br_2]Br$.
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