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Question

For the reactions,
Br2+OHBr+BrO3+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 C 3M/5
The given reaction is,
0Br2+6OH1Br++5BrO3+3H2O
Here Br is undergoing both oxidation and reduction.
So the equivalent weight of Br2 would be =M2+M10
=6M10=3M5

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