For the reaction- 5Br- - BrO3- - 6H- - 3Br2 - 3H2OCalculate the equivalent weight of Br2- -molecular weight - M-

n factor of Br = 5 Equivalent weight = Mn 3 moles of Br_2 are produced.Mass of Br_2=3M ∴ Equivalent weight =3M5 ...

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Ion Electron Method

For the react...

Question

For the reaction,
$5 B r^{-} + B r O_{3}^{-} + 6 H^{+} \to 3 B r_{2} + 3 H_{2} O$

Calculate the equivalent weight of $B r_{2}$ .
[molecular weight = $M$ ]

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3 B r_{2} + 6 O H^{⊖} \to 5 B r^{⊖} + B r O_{3}^{⊖} + 3 H_{2} O

B r_{2}

M

B r_{2}

B r^{-}

{B r O_{3}}^{-}

3 B r_{2} + 6 O H^{-} \to 5 B r^{-} + {B r O_{3}}^{-} + 3 H_{2} O

B r_{2}

= M

For the chemical reaction $5 B r^{⊖} + B r O_{3}^{⊖} + 6 H^{\oplus} \to 3 B r_{2} + 3 H_{2} O$

Rate = $k [B r^{⊖}] [B r O_{3}^{⊖}] [H^{\oplus}]^{2}$ The molecularity and order of reaction with respect to $[B r^{⊖}]$ is:

For the reaction 3 $B r_{2} + 6 O H^{-} \to 5 B r^{-} + B r O_{3}^{-} + 3 H_{2} O$
Equivalent weight of $B r_{2}$ is [M = mol wt of $B r_{2}$ ]

B r O_{3}^{-} + 6 e^{-} + 6 H^{+} \to B r^{-} + 3 H_{2} O

B r O_{3}^{-}

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