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In which reaction H2O2 acts reducing age...

In which reaction `H_2O_2` acts reducing agent?

A

`Ag_2O +H_2O_2 rarr2Ag +H_2O +O_2`

B

`2KI +H_2O_2 rarr rarr2KOH +1_2`

C

`PbS +4H_2O_2 rarrPbSO_4+4H_2O`

D

`H_2O_ 2 +SO_2 rarrH_2SO_4`

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The correct Answer is:
A
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
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  2. In the reaction , 3Br2 +6CO3^(2-) +3H2O rarr5Br^(-)+BrO3^(-)+6HCO3^- w...

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  3. In which reaction H2O2 acts reducing agent?

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  4. Which acts as a powerful oxidising agent ?

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  5. In the reaction, CI2 +OH^- rarrCI +CIO3^- +H2O:

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  6. The oxidation state of +3 for phosphorous is in :

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  7. As the oxidation state for any metal increases,the tendency to show io...

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  8. Which is a redox reaction ?

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  9. Fluorine is a strong oxidising agent because :

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  10. When an acidified solution of ferrous ammonium sulphate is treated wit...

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  11. In the conversion of K2Cr2O7 to K2CrO4 the oxidation number of chormiu...

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  12. In the reaction, C +4HNO3 rarrCO2 +2H2O +4NO2,HNO3 acts as :

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  13. Which reaction involves oxidation nor reduction ?

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  14. The reaction ,KI +I(2-)>KI3 shows:

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  15. KMnO4 act as an oxidising agent in :

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  16. The oxyacid which acts both as oxidising and reducing agent is :

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  17. In the reaction of O3 and H2O2 the later acts as:

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  18. Fluorine exhibits only-1 oxidation state, while iodine exhibits oxidat...

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  19. The characteristic oxidation number of metals in free state is:

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  20. Magnesium reacts with acids producing hydrogen and corresponding magne...

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