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What is the oxidation number of sulphur ...

What is the oxidation number of sulphur in `Na_(2)S_(4)O_(6)`?

A

`3//2`

B

`2//3`

C

`5//2`

D

`2//5`

Text Solution

Verified by Experts

The correct Answer is:
C
`S_(4)O_(6)^(-2)4x+6(-2)=-2,4x=10,x=10/4=5/2`
`Naoverset(Theta)O-overset(O)overset(||)underset(O)underset(||)(S^(+5))-S^(0)-S^(0)-overset(O)overset(||)underset(O)underset(||)(S^(+5))-overset(Theta)ONa`
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AAKASH SERIES-REDOX REACTIONS-ADDITIONAL PRACTICE EXERCISE (LEVEL - I (MAIN)) (Straight Objective Type Questions)
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  2. Chlorine is passed into dilute cold KOH solution. What are the oxidati...

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  3. What is the oxidation number of sulphur in Na(2)S(4)O(6)?

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  4. The oxidation number of nitrogen in NCI(3) is

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  5. What are the oxidation numbers of 'N' in NH(4)NO(3)?

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  6. Iron has the lowest oxidation state in

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  7. The oxidation number of phosphorus in sodium hypophosphite is

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

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

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

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

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

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  13. Which of the following is redox reaction

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  14. Which of the following is metal displacement reaction

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  15. Which of the following is a redox reaction?

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

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

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

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

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  20. In Cu - Zn cell

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