JEE Advanced Chemistry question

The pair of compounds having metals in their highest oxidation state is

(A),
(B), Correct
(C),
(D),

Answer: (B)

Solution

In , Mn is in the +7 state — its maximum possible oxidation state. In chromyl chloride , balancing charges () gives Cr = +6, also its maximum oxidation state. Both members of pair (b) are therefore metals at their highest oxidation state. In (a), has Mn

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Question ID VK-159631