Chemistry, asked by jmachoukibhu, 1 year ago

how K3CrO8 has oxidation state +5

Answers

Answered by jewel3

0

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

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