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Q.
The pair of compounds having metals in their highest oxidation state is
IIT JEEIIT JEE 2004The d-and f-Block Elements
Solution:
In $MnO _{4}^{-}, Mn ^{7+}$ is in highest oxidation state possible for $Mn$. In $CrO _{2} Cl _{2}, Cr ^{6+}$ is in highest oxidation state possible for $Cr$.