In hot alkaline solution- Br2 disproportionates to Br- and BrO3- 3Br2 -6 OH- - 5Br- - BrO3 - - 3H2OHence- equivalent weight of Br2 is mol- wt- - M -

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Types of Redox Reactions

In hot alkali...

Question

In hot alkaline solution, $B r_{2}$ disproportionates to $B r^{-}$ and ${B r O_{3}}^{-}$ .
$3 B r_{2} + 6 O H^{-} \to 5 B r^{-} + {B r O_{3}}^{-} + 3 H_{2} O$
Hence, equivalent weight of $B r_{2}$ is (mol. wt. $= M$ ) :

m / 8

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7 m / 5

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3 m / 5

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2 m / 3

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