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

620 228 NTA AbhyasNTA Abhyas 2020 Report Error

A

$(ii)$ and $(i v)$

B

$(i)$ and $(ii)$

C

$(iii)$ and $(i v)$

D

$(i)$ and $(iii)$

Solution:

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