Potassium peroxochromate K3CrO8 is a red-brown paramagnetic solid prep – InterviewSolution

1.	Potassium peroxochromate K3CrO8 is a red-brown paramagnetic solid prepared from the following reaction. CrO2−4+H2O2+OH−→[CrO8]3−+H2O+O2 If oxidation state of Cr in product is X, number of peroxide bonded O in product is Y and number of electrons in d orbital of Cr is Z then what is value of X+Y+Z?
Answer» Potassium peroxochromate $K_{3} C r O_{8}$ is a red-brown paramagnetic solid prepared from the following reaction. $C r O_{4}^{2 -} + H_{2} O_{2} + O H^{-} \to [C r O_{8}]^{3 -} + H_{2} O + O_{2}$ If oxidation state of $C r$ in product is $X$ , number of peroxide bonded $O$ in product is $Y$ and number of electrons in d orbital of $C r$ is $Z$ then what is value of $X + Y + Z$ ?

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