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in which of the following reactions, H2O...

in which of the following reactions,` H_2O_2` is acting as a reducing agent?

A

`SO_2 + H_2O_2 rarr H_2SO_4`

B

`2KI + H_2O_2 rarr 2KOH +I_2`

C

`PbS + 4H_2O_2 rarr PbSO_4 + 4H_2O`

D

`Ag_2O +H_2O_2 rarr 2Ag +H_2O + O_2`

Text Solution

Verified by Experts

The correct Answer is:
D
Oxidising nature
`SO_(2) +H_(2) O_(2) rarr H_(2)SO_(4)`
`2KI +H_(2)O_(2) rarr 2KOH +I_2`
`PbS+4H_2O_2 rarr PbSO_(4)+4H_2O`
Reducing nature
`Ag_(2)O+H_2O_2 rarr 2Ag +H_2O+O_2`
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  8. in which of the following reactions, H2O2 is acting as a reducing agen...

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  9. The strongest reducing agent is

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  15. Which of the following substances acts as an oxidising as well as a re...

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  16. In the reaction. H(2)S+H(2)O(2) rarr S+2H(2)O

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  17. Which of the following species can function both as oxidizing as well ...

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  18. H(2)S acts only as reducing agent while SO(2) can act both as a reduci...

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  19. Of all the three common mineral acids, only sulphuric acid is found to...

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  20. Which of the following can act as an acid as a base?

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