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PbS+4H(2)O(2)rarrPbSO(4)+4H(2)O. In this...

`PbS+4H_(2)O_(2)rarrPbSO_(4)+4H_(2)O`. In this reaction `PbS` undergoes 

A

oxidation

B

reduction

C

both

D

can.t be predicted

Text Solution

Verified by Experts

The correct Answer is:
A
`overset(+2)(Pb)overset(-2)Srarroverset(+2)(Pb)overset(+6)(SO_4)`
`S^(-2) rarr S^(+6) implies` oxidation
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AAKASH SERIES-REDOX REACTIONS-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)) (Straight Objective Type Questions)
  1. Iron has the lowest oxidation state in

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  2. The oxidation number of phosphorus in sodium hypophosphite is

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  3. PbS+4H(2)O(2)rarrPbSO(4)+4H(2)O. In this reaction PbS undergoes

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  4. MnO(2)+4HClrarrMnCl(2)+Cl(2)+2H(2)O, In the reaction MnO(2) acts as

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  5. In the reaction P(4)+3OH^(-)+3H(2)Orarr 3H(2)PO(2)^(-)+PH(3) phosp...

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  6. Among the following ion the one that cannot undergo disproportionation

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  7. The reaction is Decomposition but it's not redox reaction

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  8. Which of the following is redox reaction

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  9. Which of the following is metal displacement reaction

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  10. Which of the following is a redox reaction?

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  11. Which of the following is not an example of disproportionation reactio...

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  12. In the reaction 3Mg+N(2)rarrMg(3)N(2)

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  13. Which one of the halogn is prepared by only electrolysis method

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  14. Which of the following statement is correct for a galvanic cell?

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  15. In Cu - Zn cell

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  16. In a electrochemical cell

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  17. The electrode potential of an electrode is

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  18. Daniel cell is shown as

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  19. Which of the following metals will not react with solution of CuSO4 ?

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  20. Equal quantities of zinc are separately treated with caustic soda solu...

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