Question

Give example of oxide of chlorine in which oxidation state of $Cl$ is +6 .

Answer 1

1)Chlorine trioxide.$\left(Cl{O}_3\right)$

2) Calculation of oxidation state

$x+3(-2)=0$

Where x is oxidation state of chlorine and $-2$ is the oxidation state of one oxygen.

$x-6=0,x=+6$