1.

In the conversion fo ` Br_2` to `BrO_3^(-)` , the oxidation state of `Br` changes from.A. `+1` to `+5`B. 0 to `-3`C. `+2` to `+5`D. 0 to `+5`

Answer» Correct Answer - D
`Br_(2)rarr BrO_(3)^(-)`
For `Br_(2)` oxidation number `=0`
For `BrO_(3)^(-)` oxidation number, `x+(-6)=-1 rArr x=+5`


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