$C r (O H)_{3} + H_{2} O_{2} A l k a l i - -- \to C r {O_{4}}^{- 2} + H_{2} O$
The number of $O H^{-}$ required to balance the above equation

1

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3

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4

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6

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Solution

The correct option is C $4$

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Similar questions

C r (O H)_{3} + C l O^{-} + O H^{-} \to C r O_{4}^{2 -} + C l^{-} + H_{2} O

C r (O H)_{3} + C l O^{-} + O H^{-} \to C r O_{4}^{2 -} + C l^{-} + H_{2} O

[F e (C N)_{6}]^{3 -} + N_{2} H_{4} + O H^{-} \to [F e (C N)_{6}]^{4 -} + N_{2} + H_{2} O

C a + H_{2} O \to C a (O H)_{2} + H_{2} (↑)

H_{2} O_{2} / {O H}^{-}, {C r (O H)}_{3}

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