The pair of compounds in which both the metal | vedclass

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(B) In $CrO_2Cl_2$,the oxidation state of $Cr$ is $x + 2(-2) + 2(-1) = 0$,so $x = +6$. This is the group oxidation state of $Cr$ $(3d^5 4s^1)$.In $MnO

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$CrO_2Cl_2, MnO_4^-$

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(B) In $CrO_2Cl_2$,the oxidation state of $Cr$ is $x + 2(-2) + 2(-1) = 0$,so $x = +6$. This is the group oxidation state of $Cr$ $(3d^5 4s^1)$.In $MnO_4^-$,the oxidation state of $Mn$ is $x + 4(-2) = -1$,so $x = +7$. This is the group oxidation state of $Mn$ $(3d^5 4s^2)$.Both $Cr$ and $Mn$ are in their highest possible oxidation states in these compounds.

The pair of compounds in which both the metals are in the highest possible oxidation state is

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