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In which of the following compounds tran...

In which of the following compounds transition metal has zero oxidation state ?

A

`CrO_(5)`

B

`NH_(2).NH_(2)`

C

`NOClO_(4)`

D

`[Fe(CO)_(5)]`

Text Solution

Verified by Experts

The correct Answer is:
D
In `[Fe(CO)_(5)]`, transition metal Fe has zero oxidation state.
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ERRORLESS -SOME BASIC CONCEPTS OF CHEMISTRY-Ordinary Thinking (Objective Questions) Oxidation number and Oxidation state
  1. In which of the following compounds transition metal has zero oxidatio...

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  2. The oxidation state of Fe in Fe(3)O(4) is :

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  3. When KMnO(4) is reduced with oxalic acid in acidic solution, the oxida...

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  4. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  5. Oxidation numbers of P in PO4^(3-), of S in SO4^(2-), and that of Cr...

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  6. Oxidation no. of P in H(4)P(2)O(5), H(4)P(2)O(6), and H(4)P(2)O(7) are...

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  7. When Cl(2) gas reacts with hot and concentrated sodium hydroxide solut...

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  8. In which of the following compounds nitrogen exhibits highest oxidatio...

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  9. A mixture of potassium chlorate, oxalic acid and sulphuric acid is hea...

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  10. Among the following, the correct order of acidity is:

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  11. Hot concentrated sulpuric acis is a moderatly strong oxidizing agent. ...

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  12. Oxidation number of nickel in Ni(CI)(4)

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

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

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

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

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

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

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

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

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