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Which of the following can acts as a red...

Which of the following can acts as a reducing agent ?

A

`K_(2)Cr_(2) O_(7)`

B

`CaOCl_(2)`

C

`PbO_(2)`

D

`H_(2)S`

Text Solution

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The correct Answer is:
D
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NARAYNA-REDOX REACTION-CUQ
  1. The oxidation number of chlorine is maximum

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  2. One of the following element always exhibits only-1 oxidation state in...

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  3. In one of the following compounds, the oxidation number of sulphur is ...

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  4. Bromine is converted to Bromate ion. The change in oxidation number of...

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  5. Which of the following statements is wrong?

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  6. The conversion of Glucose to carbon dioxide with respect to carbon is

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  7. P(4)+NaOH to PH(3) uarr+NaH(2)PO(2)

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  8. Compound that acts as oxidant as well as reductant

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  9. Which of the following is comproportionation reaction :

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  10. Which of the following is a disproportionation reaction?

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  11. The oxidation number of Oxygen in KO(2) is

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  12. The oxidation number and covalency of sulphur in the sulphur molecule ...

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  13. In the reaction: Na(2)S(2)O(3)+4Cl(2)+5H(2)O rarr Na(2)SO(4)+H(2)SO(4)...

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  14. In which of the following compounds, sulphur atom has different oxida...

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  15. What is the change in oxidation number of carbon in the following reac...

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  16. Which of the following is a redox reaction ?

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  17. Which of the following are neutral oxide?

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  18. The oxidation state of N in HNO(4) is

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  19. Which of the following can acts as a reducing agent ?

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  20. Which of the following pairs will give displacement reactions?

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