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d and f BLOCK ELEMENTS
Question #38758
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Which of the following species represents the highest oxidation state mentioned for Manganese?
A. Mn²⁺ in MnCl₂
B. Mn³⁺ in MnF₃
C. Mn⁴⁺ in MnO₂
D. Mn⁷⁺ in MnO₄⁻
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