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When H(2)O(2) is shaken with an acidifie...

When `H_(2)O_(2)` is shaken with an acidified solution of `K_(2)Cr_(2)O_(7)` is presence of ether, layer turns blue due to the formation of-

A

`Cr_(2)O_(3)`

B

`Cr O_(4)^(2-)`

C

`Cr_(2)(SO_(4))_(3)`

D

`Cr O_(5)`

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CHHAYA PUBLICATION-HYDROGEN-ENTRANCE QUESTION BANK
  1. The normality of '30 volume' of H(2)O(2) is-

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  2. When H(2)O(2) is shaken with an acidified solution of K(2)Cr(2)O(7) is...

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  3. Commercial sample of H(2)O(2) is labeled as 10V. Its % strength is nea...

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

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

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

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

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

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

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

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

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  12. Which of the following is electron-deficient-

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

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  14. 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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  15. Which of the following statement is false

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  16. In ice, oxygen atom is surrounded-

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

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

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

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  20. Which of the following reactions produces hydrogen-

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