Bromine reacts with hot aqueous alkali to give bromide and bromate. What is the change that is brought about in oxidation state

Bromine reacts with hot aqueous alkali to give bromide and bromate. Wh

1.	Bromine reacts with hot aqueous alkali to give bromide and bromate. What is the change that is brought about in oxidation state
Answer» `-1" to +5"` 0 to +5 `-1` to +7 none of these Answer :B