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Which is a redox reaction ?...

Which is a redox reaction ?

A

`2CuI_2 rarr 2CuI +I_2`

B

`NaCI +AgNO_3 rarrAgCI +NaNO_3`

C

`NH_4CI +NaOH rarrNH_3 +NaCI +H_2O`

D

`Cr_2(SO_4)_3 +6KOH rarr 2Cr(OH)_3 +3K_2SO_4`

Text Solution

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The correct Answer is:
A
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. The oxidation state of +3 for phosphorous is in :

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  2. As the oxidation state for any metal increases,the tendency to show io...

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  3. Which is a redox reaction ?

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  4. Fluorine is a strong oxidising agent because :

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

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

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

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  8. Which reaction involves oxidation nor reduction ?

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

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  10. KMnO4 act as an oxidising agent in :

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

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

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

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

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

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  16. The strongest reducing agent among the following is :

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  17. Strongest reducing agent among the following is:

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

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  19. The oxidation number of arsenic in arsenate is:

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

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