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Which of the following reactions involve...

Which of the following reactions involve oxidation and reduction?

A

`NaBr+HCl rarr NaCl+HBr`

B

`HBr+AgNO_(3) rarr AgBr+HNO_(3)`

C

`H_(2)+Br_(2) rarr 2HBr`

D

`Na_(2)O+H_(2)SO_(4) rarr Na_(2)SO_(4)+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH INSTITUTE-REDOX REACTIONS-ASSIGNMENT SECTION - A
  1. In which reaction, there is change in oxidation number of N atom?

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  2. When zinc is added to CuSO(4) solution, copper is precipitated. It is ...

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  3. Which of the following reactions involve oxidation and reduction?

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  4. Which of the following involves the reduction of copper?

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  5. Which one of the following is the correct match?

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

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

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  8. Phosphorus has the oxidation state +3 in

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

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

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

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  12. Which reaction involves neither oxidation nor reduction?

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

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

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

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

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

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

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

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

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