GKFix MCQ Question

Which isomer of [CrCl₂(ox)₂]³⁻ is optically inactive?

• A. cis-[CrCl₂(ox)₂]³⁻
• B. [Cr(ox)₃]³⁻
• C. [Cr(en)₃]³⁺
• D. trans-[CrCl₂(ox)₂]³⁻