Given is the unbalanced redox reaction- CrO42- - SO32- CrO2- - SO42- - OH-The balanced half reaction among the following is -

The correct option is B 2CrO_4^2 + 8H_2O + 6e^ → 2CrO_2^ + 4H_2O + 8OH^ 2CrO_4^2 + 8H_2O + 6e^ → 2CrO_2^ + 4H_2O + 8OH^ Here, the number of a ...

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Electrolytic Refining of Copper

Given is the ...

Question

Given is the unbalanced redox reaction:
$C r O_{4}^{2 -} + S O_{3}^{2 -} \to C r O_{2}^{-} + S O_{4}^{2 -} + O H^{-}$
The balanced half reaction among the following is :

2 C r O_{4}^{2 -} + 8 H_{2} O + 6 e^{-} \to 2 C r O_{2}^{-} + 4 H_{2} O + 8 O H^{-}

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2 C r O_{4}^{2 -} + 8 H_{2} O \to C r O_{2}^{-} + 4 H_{2} O + 8 O H^{-}

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C r O_{4}^{2 -} + H_{2} O \to C r O_{2}^{-} + H_{2} O + O H^{-}

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3 C r O_{4}^{2 -} + 4 H_{2} O + 6 e^{-} \to 2 C r O_{2}^{-} + 8 O H^{-}

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Similar questions

C l O^{-} + C r O_{2}^{-} \to C l^{-} + C r O_{4}^{2 -}

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