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In the reaction , Cr2O7^(2-) + 14H^+ +...

In the reaction ,
`Cr_2O_7^(2-) + 14H^+ +6I` → `2Cr^(3+) + 7H_2 O +3I_(2` which element is reduced ?

A

I

B

O

C

H

D

Cr

Text Solution

Verified by Experts

The correct Answer is:
D
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. When NaCl is dissolved in water , the sodium ion becomes :

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  2. The oxidation state of nitrogen varies form :

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  3. In the reaction , Cr2O7^(2-) + 14H^+ +6I → 2Cr^(3+) + 7H2 O +3I(2 wh...

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  4. Which is a strong reducing agent ?

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  5. If H2S is passed through an acidified K2Cr2O7solution, the colour of t...

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  6. The oxidation number that iron does not exhibit in its common compound...

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  7. In the preparation of chlorine from HCI,MnO2 act as :

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  8. What would happen when a small quantity of H2O2 is added to a solution...

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  9. Bleaching action of chlorine in presence of moisture is :

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  10. Which is strongest oxidising agent ?

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  11. Conversion of KMnO4 to MnSO4 is a process of :

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  12. Which acts as a reducing agent ?

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  13. Stronger is oxidising agent, more is :

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  14. H2S is passed through an acidified solution of copper sulphate and a b...

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  15. Equivalent weight of NH3 in the change is : N2 rarrNH3

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  16. Equivalent weight of FeC2O4 in the change : FeC2O4 rarr Fe^(3+) + CO2 ...

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  17. Oxidation number of carbon of carbon in carbon suboxide is :

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  18. The oxidation number of sulphur in S8,S2,F2,H2S respectively are :

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  19. When SO2 is passed in a solution of potassium iodate, the oxidation st...

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  20. When SO2 is passed in acidified potassium dichromate solution, the oxi...

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