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Posted on: 12:37:52 PM on March 22, 2014
Posted By:
shaily
what is oxidation number of Cr atom in K3CrO8 ?


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Posted on: 02:08:28 PM on March 22, 2014
The actual structure of K3CrO8 is K3[Cr(O2)4] and IUPAC name is potassium tetraperoxochromate(V) Here the coordination sphere carry -3 charge because 3 K+ ion out side the sphere. Cr is bonded to 4 peroxo ligands.The formal charge on peroxo ligand is -2. Let the oxidation state of Cr = x x + 4*(-2) = -3 x = +5



Posted on: 03:19:54 PM on September 26, 2017
Can you please draw the structure???



Posted on: 12:53:22 AM on April 20, 2019





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