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In chromite ore, the oxidation number of...

In chromite ore, the oxidation number of iron and chromium are respectively.

A

`+3,+2`

B

`+3,+6`

C

`+2,+6`

D

`+2,+3`

Text Solution

Verified by Experts

The correct Answer is:
D

Thus, bromine is oxidised as well as reduced in this reaction.
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NARAYNA-REDOX REACTION-Exercise -3
  1. Chlorine is in +3 oxidation state in

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  2. How many moles of iodine are liberated when one mol of potassium dichr...

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  3. For the redox reaction, MnO(4)^(-) + C(2)O(4)^(2-) + H^(+) rarr Mn^(...

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  4. An oxidation process involves

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  5. Which of the following is the most powerful oxidising agent?

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  6. Which of the following reaction involves oxidation reduction?

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  7. In the reaction SO(2)+2H(2)Srarr3S+2H(2)O the substance oxidised i...

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  8. The value of n in : MnO(4)^(-)+8H^(+)+n erarr Mn^(2+)+4H(2)O is

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  9. Which can act as an oxidising as well as a reducing agent ?

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  10. Which change requires an oxidising agent?

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  11. In the reaction , 2H(2)O(2) to 2H(2)O + O(2) , oxygen is

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  12. In chromite ore, the oxidation number of iron and chromium are respect...

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  13. In which of the following compounds, nitrogen exhibits highest oxidati...

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  14. Which of the following species can function both as oxidizing as well ...

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  15. For the decolorization of 1 mol of KMnO4, the moles of H2O2 requiered...

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  16. The pair of compounds that can exist together is:

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  17. In acidic medium, H(2)O(2) changes Cr(2)O(7)^(2-) to CrO(5) which has ...

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  18. Which of the following processes does not involve oxidation of iron ?

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  19. Assuming complete ionization, same moles of which of the following com...

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

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