In which of the following reactions H 2 O 2 acts as a reducing agent-i H 2 O 2-2 H -2 e - 2 H 2 Oii H 2 O 2-2 e - O 2-2 H -iii H 2 O 2-2 e - 2 OH -iv H 2 O 2-2 OH -2 e - O 2-2 H 2 OA- i- iiiB- ii- ivC- iii- ivD- i- ii

The correct option is B (ii), (iv)ii) (O^ 1)_2 → (O_2^0)+2e^ Reductant iii) (O^ 1)_2 → (O_2^0)+2e^ Reductant ...

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Byju's Answer

Standard XII

Chemistry

Properties of Water

In which of t...

Question

In which of the following reactions $H_{2} O_{2}$ acts as a reducing agent?
i) $H_{2} O_{2} + 2 H^{+} + 2 e^{-} \to 2 H_{2} O$
ii) $H_{2} O_{2} + 2 e^{-} \to O_{2} + 2 H^{+}$
iii) $H_{2} O_{2} + 2 e^{-} \to 2 O H^{-}$
iv) $H_{2} O_{2} + 2 O H^{-} - 2 e^{-} \to O_{2} + 2 H_{2} O$

(i), (ii)

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(iii), (iv)

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(i), (iii)

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(ii), (iv)

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Solution

The correct option is D (ii), (iv)
ii) $(O^{- 1})_{2} \to (O_{2}^{0}) + 2 e^{-}$
Reductant

iii) $(O^{- 1})_{2} \to (O_{2}^{0}) + 2 e^{-}$
Reductant

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Similar questions

Q. In which of the following reactions

H_{2} O_{2}

acts as reducing agent?
I.

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

II.

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

III.

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

IV.

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

Q. In which of the following reactions

H_{2} O_{2}

acts as a reducing agent?
i.

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

ii.

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

iii.

H_{2} O_{2} + 2 e^{⊖} \to 2 O H^{⊖}

iv.

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

(IIT-JEE-2014)

Q. In which of the following reactions

H_{2} O_{2}

acts as a reducing agent?
i.

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

ii.

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

iii.

H_{2} O_{2} + 2 e^{⊖} \to 2 O H^{⊖}

iv.

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

(IIT-JEE-2014)

Q. In which of the following reactions

H_{2} O_{2}

acts as a reducing agent?

Q. 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

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In which of the following reactions H2O2 acts as a reducing agent? i) H2O2+2H++2e−→2H2O ii) H2O2+2e−→O2+2H+ iii) H2O2+2e−→2OH− iv) H2O2+2OH−−2e−→O2+2H2O

The correct option is D (ii), (iv)ii) (O−1)2→(O02)+2e− Reductant iii) (O−1)2→(O02)+2e− Reductant

In which of the following reactions $H_{2} O_{2}$ acts as a reducing agent?
i) $H_{2} O_{2} + 2 H^{+} + 2 e^{-} \to 2 H_{2} O$
ii) $H_{2} O_{2} + 2 e^{-} \to O_{2} + 2 H^{+}$
iii) $H_{2} O_{2} + 2 e^{-} \to 2 O H^{-}$
iv) $H_{2} O_{2} + 2 O H^{-} - 2 e^{-} \to O_{2} + 2 H_{2} O$

The correct option is D (ii), (iv)
ii) $(O^{- 1})_{2} \to (O_{2}^{0}) + 2 e^{-}$
Reductant

iii) $(O^{- 1})_{2} \to (O_{2}^{0}) + 2 e^{-}$
Reductant