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If H2S is passed through an acidified K2...

If `H_2S` is passed through an acidified `K_2Cr_2O_7`solution, the colour of the solution :

A

Will remain unchanged

B

Will change to deep red

C

Will change to dark green

D

Will change to dark brown

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Verified by Experts

The correct Answer is:
C
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MBD PUBLICATION-REDOX REACTIONS-QUESTION BANK
  1. In the reaction , Cr2O7^(2-) + 14H^+ +6I → 2Cr^(3+) + 7H2 O +3I(2 wh...

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  2. Which is a strong reducing agent ?

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

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

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

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

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

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  8. Which is strongest oxidising agent ?

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

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  10. Which acts as a reducing agent ?

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  11. Stronger is oxidising agent, more is :

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

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

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

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

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

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

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

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  19. The oxidation number of sulphur in H2S2O8 is :

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  20. Oxidation number of sulphur in Na2SO4 is:

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