Oxidation state of oxygen in CrO5, is
(1) -1
(2) -2
(3) Both (1) & (2)
(4) -1/2
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may... be. the option c is the correct answer because CrO
5
is chromium with four peroxy oxygen and one coordinated oxygen.
It is a butterfly type structure in which central chromium surrounds with 4 peroxy cyclic oxygen and 1 coordinate oxygen. In this, the oxidation number of chromium is +6.
CrO
5
has 2 pairs in peroxide. It implies that 4 oxygen is in −1 oxidation state and one in −2 oxidation state.
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