For the reactions, Br2+OH−→Br−+BrO−3+H2O what is the equivalent weight of Br2 ?
A
M/8
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B
M/5
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C
3M/5
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D
5M/8
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Solution
The correct option is C3M/5 The given reaction is, 0Br2+6OH−⟶−1Br−++5BrO−3+3H2O Here Br is undergoing both oxidation and reduction. So the equivalent weight of Br2 would be =M2+M10 =6M10=3M5