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Which one of the following reactions doe...

Which one of the following reactions does not involve either oxidation or reduction

A

`VO_(2)^(+) to V_(2)O_(3)`

B

`Na to Na^(+)`

C

`CrO_(4)^(2-) to Cr_(2)O_(7)^(2-)`

D

`Zn^(2+) to Zn`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. 2CuIrarrCu+CuI(2), the reaction is

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

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

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  4. In the reaction : C(2)O(4)^(2-)+MnO(4)^(-)+H^(+) to Mn^(2+)+CO(2)+H(2)...

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  5. 4ClO(3(aq))^(-)to3ClO(4(aq))^(-)+Cl((aq))^(-) is an example of

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  6. The oxidation number of hydrogen in CaH(2) and NaH are respectively

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  7. In the reaction : Cl(2)+H(2)S to 2HCl+S, the oxidation number of S cha...

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  8. Which of the following is redox reaction

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  9. C+O(2)rarrCO(2)  the reaction is

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  10. Which of the following is not chemical combinations

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  11. Which of the following is decomposition reaction

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  12. Which of the following is not an example of disproportionation reactio...

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  13. Following reaction describes the rusting of 4Fe+3O(2) to 4Fe^(3+) +6O^...

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  14. Which one of the following is not prepared from halide by chemical oxi...

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  15. The reaction Br(2),Cl(2), I(2), P(4) with NaOH involves

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  16. Which of the following is metal displacement reaction

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  17. Zn+CuSO(4)rarrZnSO(4)+Cu, Zn can act as

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  18. Which of the following is a redox reaction?

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  19. Which of the following is not an example of disproportionation reactio...

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  20. In the reaction 3Mg+N(2)rarrMg(3)N(2)

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