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Oxidation state of oxygen atom in potass...

Oxidation state of oxygen atom in potassium superoxide is

A

Zero

B

`-1//2`

C

`-1`

D

`-2`

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The correct Answer is:
B
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ALLEN-REDOX REACTIONS-Questions
  1. Which of the following halogen always show only one oxidation state -

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  2. Which of the following reactions do not involved oxidation-reaction-

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  4. Oxidation number of P in Ba(H(2)PO(2))(2) is

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  5. In Ni(CO)(4) the oxidation state of Ni is:

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  6. H(2)O(2)+H(2)O(2)rarr2H(2)O+O(2) is an example of dispropotionation be...

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  7. Positive oxidation state of an element indicates that it is -

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  8. Predict the highest and lowest oxidation state of (a) Ti and (b) Tl

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  9. Oxidation state of oxygen atom in potassium superoxide is

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  10. Molecular weight of KMnO(4) in acidic medium and neutral medium will b...

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  11. Equivalent weight of H(3)PO(4) in each of the reaction will be respect...

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  12. In acidic medium, equivalent weight of K(2)Cr(2)O(7) (molecular weight...

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  13. The fast reaction between water and sodium is the example is -

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  14. Choose the redox reaction from the following -

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  15. Which of the following not a redox reaction -

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  16. In the reaction 6Li+N(2)rarr2Li(3)N

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  17. In the half reaction : 2ClO(3)^(-)rarrCl(2)

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  18. The standard reduction potentials at 298K, for the following half cell...

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  19. The number of electrons required to balanced the following equation- ...

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  20. Which of the following equations is a balanced one?

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