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In which of the following reactions, H(2...

In which of the following reactions, `H_(2)O_(2)` acts as a reducing agent-
(1)`H_(2)O_(2) + 2H^(+) + 2e rarr 2H_(2)`O
(2)`H_(2)O_(2) - 2e rarr O_(2) + 2H^(+)`
(3) `H_(2)O_(2) + 2e rarr 2OH^(-)`
(4) `H_(2)O_(2) + 2H^(-) - 2e rarr O_(2) + 2H_(2)`O

A

2,4

B

1,2

C

3,4

D

1,3

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CHHAYA PUBLICATION-HYDROGEN-ENTRANCE QUESTION BANK
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  2. Commercial sample of H(2)O(2) is labeled as 10V. Its % strength is nea...

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  3. In aqueous alkaline solution, two electron reduction of HO(2)^(-) give...

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  4. Which statement is not correct for ortho- and para-hydrogen-

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  5. At room temperature, the reaction between water and fluorine produces-

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  6. Very pure hydrogen (99.9%) can be made by which of the following proce...

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  7. In which of the following reactions, H(2)O(2) acts as a reducing agent...

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  8. From the following statement regarding H(2)O(2), choose the incorrect ...

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  9. Which one of following statement about water is false-

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  10. Hydrogen peroxide oxidises ["Fe"("CN")(6)]^(4-) to ["Fe"("CN")(6)]^(3...

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  11. Which of the following is electron-deficient-

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  12. The reaction of aqueous "KMnO"(4) with H(2)O(2) in acidic conditions g...

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  13. H(2)O(2) + O(3) rarr H(2) O(2) + 2O(2) (II) H(2)O(2) + Ag(2)O rarr 2...

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  14. Which of the following statement is false

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  15. In ice, oxygen atom is surrounded-

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  16. Predict the product of reaction of I(2) with H(2)O(2) in basic medium-

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  17. Strength of H(2)O(2) is 15.18 gcdot L^(-1). They it equal to -

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  18. Which of the following reaction increases the production of dihydrogen...

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  19. Which of the following reactions produces hydrogen-

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  20. H(2)O(2) can be obtained when following reacts with H(2)SO(4) except w...

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