1.

BrO_(3)^(-)+Br^(-)+H^(+)toBr_(2)+H_(2)O When this reaction is balanced completely, than mention the total charge and number of Bromine atoms on product respectively.

Answer»

0, 2
0, 6
`-1, 6`
`-1, 2`

Solution :
(ii) Balancing change of oxidation number
`BrO_(3)^(-)+5Br^(-)to1/2Br_(2)+5/2Br_(2)`
`thereforeBrO_(3)^(-)+5Br^(-)to3Br_(2)`
(iii) CHARGE, O and H balancing
`BrO_(3)^(-)+5Br^(-)+6H^(+)=3Br_(2)+3H_(2)O`
At product side : Total Charge = 0
No. of bromine ATOMS = 6


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