What is the chemical formula for the following coordination complex?
Dichlorobis(ethylenediamine)chromium(III) chloride

• A. [Cr₃Cl₂(C₂H₄)₂(NH₄)]Cl
• B. [CrCl₂(en)₂]Cl
• C. [CrCl₂(C₂H₄NH₂)₂]Cl
• D. [CrCl₄(en-O)]₂Cl₃

Answer: (B)