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Frankland Halide Reaction

The conjugate...

Question

The conjugate pair of oxidant - reductant is :

{B r O}_{3}^{-}

B r^{-}

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N_{2} H_{4}

{B r O}_{3}^{-}

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B r^{-}

N_{2}

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None of these

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Solution

The correct option is A ${B r O}_{3}^{-}$ , $B r^{-}$
The balanced reaction is as follows:

$3 N_{2} H_{4} + 2 {B r O}_{3}^{-} ⟶ 3 N_{2} + 2 B r^{-} + 6 H_{2} O$
-2 +5 0 -1
So, conjugate pair of oxidant - reductant is ${B r O}_{3}^{-}$ - $B r^{-}$ .
Hence, the correct option is A.

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