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From which reaction H(2)O(2) act as redu...

From which reaction `H_(2)O_(2)` act as reducing agent?

A

`Ag_(2)O+H_(2)O_(2)to2Ag+H_(2)O+O_(2)`

B

`2KI+H_(2)O_(2)to2KOH+I_(2)`

C

`2FeSO_(4)+H_(2)O_(2)+H_(2)SO_(4)toFe_(2)(SO_(4))_(3)+2H_(2)O`

D

`HNO_(2)+H_(2)O_(2)toHNO_(3)+H_(2)O`

Text Solution

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The correct Answer is:
A
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In which of the following reaction H_(2)O_(2) acts as a reducing agents? A.H_(2)O_(2)+2H^(o+)+2e^(-)to2H_(2)O B. H_(2)O_(2)-2e^(-2)toO_(2)+2H^(o+) C. H_(2)O_(2)+2e^(-)to2OH^(ɵ) D. H_(2)O_(2)+2OH^(ɵ)-3e^(-)toO_(2)+2H_(2)O

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KUMAR PRAKASHAN-REDOX REACTIONS-SECTION-C (MULTIPLE CHOICE QUESTIONS)
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  2. How many moles of K(2)Cr(2)O(7) is reduced by 1 mole Sn^(+2) ?

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  3. From which reaction H(2)O(2) act as reducing agent?

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  4. How many electrons required to received by oxidising agent KMnO(4) to ...

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  5. Order of oxidation number of S in SO(3)^(-2),S(2)O(4)^(-2)andS(2)O(6)^...

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  6. How many moles of KMnO(4) required to react with (SO(3)^(-2)) sulphite...

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  7. Arrange increasing order of oxidation number of oxygen.

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  8. NH(2)NH(2) compound loses 10 mole e^(-) and form new compound x then c...

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  9. From the following which reaction is not redox reaction ?

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  10. Oxidation number of P of H(3)PO(4) is similar with P of which compound...

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  11. From the following reaction which substance act as reducing agent ? ...

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  12. From the following which compound shows different oxidation number of ...

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  13. In which set from the following the oxidation number of oxygen is in i...

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  14. From following redox reaction co-efficient of (a), (b) and ( c) are re...

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  15. Balance the following redox equations. Br(2)+OH^(-)toBrO(3)^(-)+HBr ...

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  16. From the following which compound has less oxidation state of Fe ?

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  17. When pottassium permanganate acts as oxidising agent it is converted i...

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  18. Arrange decreasing order of compounds for oxidation number of .S..

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  19. Give value of x, y, z of given redox reaction IO(3)^(-)+xI^(-)+yH^(+...

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  20. What is oxidation number of N in Li(3)N ?

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