In acidic medium, H2O2 changes Cr2O72- to CrO5 which has two ($-$O$-$O$-$) bonds. Oxidation state of Cr in CrO5 is

Question

In acidic medium, H₂O₂ changes Cr₂O₇^2- to CrO₅ which has two

($-$O$-$O$-$) bonds. Oxidation state of Cr in CrO₅ is

$-$10

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