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In the conversion of K2Cr2O7 to K2CrO4 t...

In the conversion of `K_2Cr_2O_7` to `K_2CrO_4` the oxidation number of chormium :

A

Increases

B

Romains the same

C

Decreases

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. Fluorine is a strong oxidising agent because :

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  2. When an acidified solution of ferrous ammonium sulphate is treated wit...

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  3. In the conversion of K2Cr2O7 to K2CrO4 the oxidation number of chormiu...

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  4. In the reaction, C +4HNO3 rarrCO2 +2H2O +4NO2,HNO3 acts as :

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  5. Which reaction involves oxidation nor reduction ?

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  6. The reaction ,KI +I(2-)>KI3 shows:

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  7. KMnO4 act as an oxidising agent in :

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  8. The oxyacid which acts both as oxidising and reducing agent is :

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  9. In the reaction of O3 and H2O2 the later acts as:

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  10. Fluorine exhibits only-1 oxidation state, while iodine exhibits oxidat...

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  11. The characteristic oxidation number of metals in free state is:

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  12. Magnesium reacts with acids producing hydrogen and corresponding magne...

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  13. The strongest reducing agent among the following is :

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  14. Strongest reducing agent among the following is:

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  15. The oxidation state of iron in sodium nitroprusside is :

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  16. The oxidation number of arsenic in arsenate is:

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  17. Oxidation number of Mn in K2MnO4 and MnSO4 are respectively :

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  18. Oxidation number of chlorine in chlorine heptaoxide is :

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  19. The oxidation state of I inH4IO6^- is:

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  20. The oxidation number of N in N2H5^+ is :

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