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In which of the following, oxygen has +2...

In which of the following, oxygen has +2 oxidation number ?

A

`F_2O`

B

`Cl_2O`

C

`Na_2O_2`

D

`Na_2O`

Text Solution

Verified by Experts

The correct Answer is:
A
Oxygen shows +ve oxidation states only in compounds with fluorine, because fluorine is the only element more electronegative than oxygen. Therefore, in `F_2O` oxidation state of O is +2.
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DINESH PUBLICATION-THE HALOGEN FAMILY-REVISION
  1. Which of the following halogen acid is a liquid ?

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  2. Which of the following acid is weakest ?

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  3. In which of the following, oxygen has +2 oxidation number ?

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  4. Fluorine does not show positive oxidation states due to the absence of

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  5. Which of the following belongs to the halogen family?

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  6. Which of the following has greatest reducing power?

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  7. Bad conductor of electricity is

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  8. Bleaching powder is obtained by the action of chlorine gas and

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  9. Mark the element which shows only one oxidation state in its compounds

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  10. Which one of the following halogens has the highest bond energy ?

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  11. Which halogen is most electropositive ?

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  12. Euchlorine is a mixture of

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  13. Which one of the following is the true covalent oxide of iodine?

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  14. Fluorine is a stronger oxidising agent than chlorine in aqueous soluti...

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  15. Bleaching powder reacts with a few drops of conc.HCl to yield

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  16. Iodine readily dissolves in potassium iodide solution giving

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  17. Which of the following halogen oxides is ionic?

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  18. Which amongst the following reactions cannot be used for the preparati...

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  19. Which of the following hydrogen halide has the highest boiling point?

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  20. Which member of the halogen family (X) does not show oxidation state o...

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