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Which of the following is oxidized by H(...

Which of the following is oxidized by `H_(2)O_(2)` in the alkaline medium

A

HCHO

B

Mn (II) salts

C

Cr(III) salts

D

All of these

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The correct Answer is:
D
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NARAYNA-HYDROGEN & ITS COMPOUNDS-CONCEPTUAL QUESTIONS
  1. The bleaching action of H(2)O(2) is due to the following reaction

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  2. When H(2)O(2) is added to acidified ferrous sulphate solution

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  3. Which of the following is oxidized by H(2)O(2) in the alkaline medium

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  4. When H(2)O(2) acts as oxidizing agent, one of the end product is gener...

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  5. Which of the following is reduced by H(2)O(2) in acid medium

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  6. An aqueous solution of H(2)O(2)

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  7. Which of the following statement is incorrect.

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  8. H(2)O(2) changes black lead sulphide to white

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  9. H(2)O(2) changes aquesous KI solution to

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  10. H(2)O(2) acts as antiseptic due to its

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  11. Negative catalyst for the decomposition of H(2)O(2) is

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  12. Positive catalyst for the decomposition of H(2)O(2) among the followin...

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  13. Which compound is used for the manufacture of chemicals like sodium pe...

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  14. Which of the following is the use of H(2)O(2) i) hair bleach, disinf...

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  15. The boiling point of D(2)O is greater than H(2)O(2) It is because

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  16. The O-H bond energy in water when compared to O-D bond energy in heavy...

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  17. The physical constants which are less for D(2)O than H(2)O are

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  18. Density of heavy water is maximum at

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  19. Atoms present in a molecule of heavy water are

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  20. The boiling point of heavy water is

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