In the reaction
`3Br_(2) + 6CO_(3)^(2-) + 3H_(2)O to 5Br^(-) + 2BrO_(3)^(-)+6HCO_(3)^(-)`

In the following reaction, 3Br_(2) +6CO_(3)^(2-) + 3H_(2)O rarr 5Br^(-) + BrO_(3) ^(-) + 6HCO_(3)^(-) bromine is "___________________" .

In the reaction 3Br_2 + 6CO_3^(2-) + 3H_2O to 5Br^(-) + BrO_3^(-) + 6HCO+_3^(-)