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Oxidation number of osmium (Os) in OsO(4...

Oxidation number of osmium `(Os)` in `OsO_(4)` is

A

`+4`

B

`+6`

C

`+7`

D

`+8`

Text Solution

Verified by Experts

The correct Answer is:
D
`overset(**)(O)sO_(4)`
`x+4(-2)=0`
`x-8=0`
`x=+8`
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ERRORLESS -SOME BASIC CONCEPTS OF CHEMISTRY-Ordinary Thinking (Objective Questions) Oxidation number and Oxidation state
  1. Oxidation number of nickel in Ni(CI)(4)

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  2. The oxidation state of sulphur in Na(2)S(4)O(6) is

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  3. Oxidation number of osmium (Os) in OsO(4) is

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  4. HNO(2) acts both as reductant and as oxidant, while HNO(3) acts only a...

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  5. Oxidation number of fluorine in F(2)O is:

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  6. The oxidation number of Cr in K(2)Cr(2)O(7) is

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  7. When sodium reacts with excess of oxygen, oxidation number of oxygen c...

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  8. If HNO(3) changes into N(2)O, the oxidation number is changed by

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  9. What is the oxidation number of Co in [Co(NH(3))(4)ClNO(2)]?

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  10. The oxidation state of nitrogen is highest in

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  11. In which reaction there is a change in valency

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  12. When SO(2) is passed through acidic solution of potassium dichromate, ...

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  13. The oxidation state of M^(3+) after removing three elelctrons is

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  14. Oxidation number of iodine varies from -

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  15. Which one of the following has the highest oxidation number of iodine?

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  16. The charge on cobalt in [Co(CN)(6)]^(-3) is -

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  17. Oxidation state of oxygen inhydrogen peroxide is

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  18. The oxidation number of P in Mg(2)P(2)O(7) is

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  19. The atomic number of an element which can not show the oxidation stat...

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  20. The oxidation number of S in Na(2)S(4)O(6) is

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