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Among these, identify the species with a...

Among these, identify the species with an atom in `+6` oxidation state: .

A

`MnO_(4)^(-)`

B

`Cr(CN)_(6)^(3-)`

C

`NiF_(6)^(2-)`

D

`CrO_(2)Cl_(2)`

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The correct Answer is:
D
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ALLEN-REDOX REACTIONS-EXERICSE - 2
  1. Which one of the following is not a redox reaction :-

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  2. The oxidation state of iodine in H(4)IO(6)^(-) is:

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  3. Among these, identify the species with an atom in +6 oxidation state: ...

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  4. In the reaction MnO(4)^(-)+SO(3)^(-2)+H^(+)rarrSO(4)^(-2)+Mn^(2+)+H(2)...

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  5. Phosphorous has the oxidation state of +1 in:

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  6. In which of the following compounds iron has lowest oxidation state?

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  7. Select the compound in which the oxidation number of oxygen is -1 :-

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  8. The equivalent weight of MnSO(4) is half its molecular weight when it ...

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  9. In the balanced equation - [Zn+H^(+)+NO(3)^(-)rarr NH(4)^(-) rarr NH...

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  10. I(2)+KIrarrKI(3) In the above reaction :-

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  11. HNO(2) acts as an oxidant with which one of the following reagent :-

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  12. Match List - I (compound) with list - II (Oxidation state of N) and se...

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  13. In which of the following pair oxidation number of Fe is same :-

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  14. In the balanced equation MnO(4)^(-)+H^(+)+C(2)O(4)^(2-)rarr Mn^(2+)+...

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  15. In the conversion fo Br2 to BrO3^(-) , the oxidation state of Br chan...

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  16. The oxidation number of sulphur in H(2)S(2)O(8) is:

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  17. In which of the following reaction H(2)O(2) acts as reducing agent :-

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  18. In which of the following compounds of Cr, the oxidation number Cr is ...

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  19. Oxidation state of cobalt in [Co(NH(3))(4)(H(2)O)Cl]SO(4) is

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  20. A sulphur containing species that can not be a reducing agent is :-

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