JEE Main 20178 Apr, Morning shiftChemistryHardd- and f-Block Elements158× since 2002The pair of compounds having metals in their highest oxidation state is :AOption A. MnO₂ and CrO₂Cl₂BOption B. [NiCl₄]2−-− and [CoCl₄]2−-−COption C. [Fe(CN)₆]3−-− and [Cu(CN)₄]2−-−DOption D. [FeCl₄]^−-− and Co₂O₃CheckSkip · show solution
