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Question Which of the following is incorrectly matched?
(A) \( \left[\mathrm{FeF}_{6}\right]^{3-} \)- 5
(B) \( \left[\mathrm{Cr}(\mathrm{en})_{3}\right]^{2+} \) - 2
(C) \( \left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+} \) - 4
(D) \( \left[\mathrm{Mn}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \) - 5📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live