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Chlorides of Phosphorus

Match the com...

Question

Match the compounds of Column I with oxidation state of Column II

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Solution

$C r$ gets the +3 charge from $C l$ in $[C r {(H_{2} O)}_{6}] {C l}_{3}$ .

In $C r O_{5}$ chromium has an oxidation state of +6 because the two peroxide linkages.

For $K_{3} C r O_{8}$ Cr is bonded to 4 peroxo ligands.The formal charge on peroxo ligand is -2. So the oxidation state of Cr is +5.

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