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Which of the following reactions does no...

Which of the following reactions does not involve the change in oxidation state of metal? 

A

`VO^(-2)rarr V_(2)O_(3)`

B

`NararrNa^(+)`

C

`CrO_(4)^(2-)rarrr_(2)O_(7)^(2-)`

D

`Zn^(2+)rarrZn`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-OBJECTIVE EXERCISE - 1
  1. Oxidation number of iron in Na(2)[Fe(CN)(5)NO]

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  2. The oxidation number of phosphorus in sodium hypophosphite is

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  3. Which of the following reactions does not involve the change in oxidat...

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  4. Oxidation state of oxygen in potassium superoxide is

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  5. Average oxidation number of iodine in KI(3)

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  6. The oxidation number of nitrogen in NCI(3) is

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  7. What are the oxidation numbers of 'N' in NH(4)NO(3)?

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  8. The oxidation state of phosphorus in Ba(H(2)PO(2))(2) is

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  9. In which  one of the following compounds the oxidation numberof iodine...

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  10. What is the change in the oxidation state of Mn, in the reaction of Mn...

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  11. K+ClrarrKCl. This is an example of

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  12. The conversion KMnO(4)rarrK(2)MnO(4) is an example of

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  13. MnO(2)+4HClrarrMnCl(2)+Cl(2)+2H(2)O, In the reaction MnO(2) acts as

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  14. In the reaction P(4)+3OH^(-)+3H(2)Orarr 3H(2)PO(2)^(-)+PH(3) phosp...

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  15. Decomposition of H(2)O(2) is an example of

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  16. Which of the following is an oxidation and reduction reaction?

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

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  18. 2CuIrarrCu+CuI(2), the reaction is

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  19. In a reaction between zinc and iodine, in which zinc iodide is formed,...

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  20. Which one of the following reactions does not involve either oxidation...

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