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Question

Chemistry Question on Balancing a redox reaction

BrO changes into Br in an acidic medium of a unbalanced equation. How many electron should be present in the balanced equation?

A

10 electrons in left

B

6 electrons in left

C

3 electrons in left

D

3 electrons in right

Answer

10 electrons in left

Explanation

Solution

12H++10e−+2BrO3−−>Br2+6H2O{12H+ + 10e ^{-} + 2BrO3- -> Br2 + 6H2O}