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Oxidation Number of Mn in [MnO(4)]^(-) i...

Oxidation Number of `Mn` in `[MnO_(4)]^(-)` is:

A

`+1`

B

`-7`

C

`-1`

D

`+7`

Text Solution

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The correct Answer is:
D
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MODERN PUBLICATION-REDOX REACTIONS -COMPETITION FILE (Objective Questions) (A. MULTIPLE CHOICE QUESTIONS)
  1. Reduction involves :

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  2. Oxidation number of P in PO4^(3-) ion is :

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  3. Oxidation Number of Mn in [MnO(4)]^(-) is:

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  4. Oxidation number of C in CH3OH, CH2O,HCOOH and C2H2 is respectively :

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  5. What is the oxidation state of S in Na2S2 ?

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  6. Oxidation state of sulphur in Caro's acid is

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

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  8. In the reaction : Cl2+2OH^(-) rarr OCl^(-) +Cl^(-) +H2O

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  9. The oxidation states of S in S2O8^(2-) is

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  10. In which of the following compounds , the oxidation number of carbon i...

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  11. The oxidation states of V and Br in V (BrO2)2 are respectively

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  12. The oxidation state of N in HN3 is

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  13. In which of the following S has highest oxidation state ?

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  14. Which of the following rules for oxidation number is not correct?

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  15. In the reaction : 3CuO+2NH3 rarr N2+3H2O+3Cu the change of NH3 to ...

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  16. Which of the following statement is not correct ?

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  17. When phosphorus reacts with caustic soda, the products are PH(3) and N...

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  18. Which of the following is not an example of redox reaction ?

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  19. The oxidation state of Cr in Cr(CO)6 is

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  20. Oxidation state of oxygen in H(2)O(2) is

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