In which of the following reactions- H2O2 acts as reducing agent-A H2O2-2H-2e- 2H2OB H2O2-2e- O2-2H-C H2O2-2e- 2OH-D H2O2-2OH- 2e- O2-2H2O-

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Reductions Involving Aldehydes or Ketones

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Question

In which of the following reactions, $H_{2} O_{2}$ acts as reducing agent?
(A) $H_{2} O_{2} + 2 H^{+} + 2 e^{-} \to 2 H_{2} O$
(B) $H_{2} O_{2} - 2 e^{-} \to O_{2} + 2 H^{+}$
(C) $H_{2} O_{2} + 2 e^{-} \to 2 O H^{-}$
(D) $H_{2} O_{2} + 2 O H^{-} 2 e^{-} \to O_{2} + 2 H_{2} O$ .

A, C

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B, D

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A, B

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C, D

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H_{2} O_{2}

H_{2} O_{2} + 2 H^{+} + 2 e \to 2 H_{2} O

H_{2} O_{2} - 2 e \to O_{2} + 2 H^{+}

H_{2} O_{2} + 2 e \to 2 (O H^{-})

H_{2} O_{2} + 2 O H^{-} - 2 e \to O_{2} + 2 H_{2} O

H_{2} O_{2}

H_{2} O_{2} + 2 H^{+} + 2 e^{-} \to 2 H_{2} O

H_{2} O_{2} - 2 e^{-} \to O_{2} + 2 H^{+}

H_{2} O_{2} + 2 e^{-} \to 2 O H^{-}

H_{2} O_{2} + 2 O H^{-} - 2 e^{-} \to O_{2} + 2 H_{2} O

H_{2} O_{2}

H_{2} O_{2}

(a)

H_{2} O_{2} + 2 H^{+} + 2 e^{-} \to 2 H_{2} O

(b)

H_{2} O_{2} - 2 e^{-} \to O_{2} + 2 H^{+}

(c)

H_{2} O_{2} + 2 e^{-} \to 2 O H^{-}

(d)

H_{2} O_{2} + 2 O H^{-} - 2 e^{-} \to O_{2} + 2 H_{2} O

H_{2} O_{2}

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