Find the oxidation number of the underlined atoms.
`underlineCIO_3^(-)`

Explanation

`{:( overline ClO_3^(-), underline (CO) , O_3^(-)), ( Let ON is, x,-2):}`
`therefore i.e., x+(-2 times3)=-1 implies x-6=-1 implies x=-1+6 implies x=+5`
Oxidation number of Cl in `CIO_3^(-)` is +5