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The oxidation number of sulphur in H(2)S...

The oxidation number of sulphur in `H_(2)S_(2)O_(8)` is:

A

`+7`

B

`+6`

C

`-6`

D

`+4`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE-REDOX REACTIONS-ASSIGNMENT SECTION - A
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  2. Which one of the following is the correct match?

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  3. The oxidation number of sulphur in H(2)S(2)O(8) is:

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  4. In which of the following compounds iron has lowest oxidation number?

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  5. Phosphorus has the oxidation state +3 in

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  6. The brown ring complex compound is formulated as [Fe(H(2)O)(5)NO]SO(4)...

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  7. Oxidation number of Cr in CrO(5) is

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  8. In which of the following compounds , the oxidation number of iodine i...

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  9. Which reaction involves neither oxidation nor reduction?

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  10. In the chemical reaction, K(2)Cr(2)O(7)+aH(2)SO(4)+bSO(2) rarr K(2)S...

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  11. What is the oxidation state of sodium in sodium amalgam (Na//Hg)?

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  12. Which of the following compound cannot be oxidised by O(3)?

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  13. In alkaline medium , KMnO(4) reacts as follows 2KMnO(4)+2KOH rarr 2K...

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  14. The equivalent weight of FeS(2) in the following reaction is FeS(2)+O(...

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  15. When SO(2) is passed in acidified potassium dichromate solution, the o...

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  16. How many mole of FeSO(4) reacted with one mole of KMnO(4) in acidic me...

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  17. A compound of Xe and F is found to have 53.3% Xe (atomic weight = 133)...

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  18. Which of the following is not correct for electrochemical cell?

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  19. Which of the following is not a redox reaction?

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  20. Redox reaction have no concern with

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