Question

oxidation state of Chromium in CrO2Cl2

Answer 1

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Answer 2

Oxidation state of Chromium in $\mathrm{CrO}_{2} \mathrm{Cl}_{2}$ :

Here both O are double bonded with Cr and both Cl are bonded with single bond. Hence the oxidation state of O will be -2 and oxidation state of Cl will be -1.  

Assume the oxidation state of Cr as x;

$\begin{array}{l}{X+(2 \times-2)+(2 \times-1)=0} \\ \\ {X-4-2=0} \\ \\ {X=4+2} \\ \\{X=+6}\end{array}$

Hence the oxidation state of Cr will be +6 here.  

The structure of $\mathrm{CrO}_{2} \mathrm{Cl}_{2}$ is as given in below attached image.