In acidic medium (Conc. H₂SO₄),Hydrogen peroxide reacts with K₂Cr₂O₇ in the presence of ether forms a deep violet coloured chromium peroxide. The Oxidation state of chromium in chromium pentoxide is

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Solution

The correct option is D
+6

H₂O₂→ H₂O + [O]

K₂Cr₂O₇ +4[O] → H₂Cr₂O₇ +K₂SO₄

H₂Cr₂O₇ +4[O] →2CrO₅ +H₂O

4CrO₅ +6H₂SO₄ → 2Cr₂(SO₄)₃ +6H₂O +7O₂

CrO₅ is blue in colour and has a butterfly structure. There are 2 peroxy linkages on either side of the Cr and one Cr=O bond.

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In acidic medium (Conc. H2SO4),Hydrogen peroxide reacts with K2Cr2O7 in the presence of ether forms a deep violet coloured chromium peroxide. The Oxidation state of chromium in chromium pentoxide is

The correct option is D +6 H2O2→ H2O + [O] K2Cr2O7 +4[O] → H2Cr2O7 +K2SO4 H2Cr2O7 +4[O] →2CrO5 +H2O 4CrO5 +6H2SO4 → 2Cr2(SO4)3 +6H2O +7O2 CrO5 is blue in colour and has a butterfly structure. There are 2 peroxy linkages on either side of the Cr and one Cr=O bond.

In acidic medium (Conc. H₂SO₄),Hydrogen peroxide reacts with K₂Cr₂O₇ in the presence of ether forms a deep violet coloured chromium peroxide. The Oxidation state of chromium in chromium pentoxide is