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In which of the following pair oxidation...

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

A

`K_(3)Fe(CN)_(6),Fe_(2)O_(3)`

B

`Fe(CO)_(5),Fe_(2)O_(3)`

C

`Fe_(2)O_(3),FeO`

D

`Fe_(2)(SO_(4))_(3),K_(4)Fe(CN)_(6)`

Text Solution

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The correct Answer is:
A
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ALLEN-REDOX REACTIONS-EXERICSE - 2
  1. HNO(2) acts as an oxidant with which one of the following reagent :-

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

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

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

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

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

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

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

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

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

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  11. In the reaction CH(3)OHrarrHCOOH, the number of electrons that must be...

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  12. Oxidation number of carbon in graphite is :-

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  13. When H(2) reacts with Na, it acts as

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  14. Oxidation number of 'N' in N(3)H (hydrazoic acid) is :-

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  15. Phosphorous has the oxidation state of +3 in :

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  16. Which of the following reaction involves oxidation reduction?

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  17. Which one is the oxidising agent in the reaction given below 2CrO(4)...

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  18. The oxidation number of arsenic atom in H(3)AsO(4) is :-

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  19. In substance Mg(HXO(3)), the oxidation number of X is :-

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  20. In the following reaction: 3Fe+4H(2)OrarrFe(3)O(4)+4H(2), if the ato...

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