This deep blue coloured complex has the following structure
Oxidation state of $Cr$ is $+6$ due to the presence of two peroxide linkages which can be calculated as $Cr$ peroxide normal $x+(-1) 4+(-2)=0, x-6=0$ and $x=+6$
($Fe$નું મોલર દળ $=56\, g\, mol ^{-1}$ )