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In the reaction SO(2)+2H(2)Srarr3S+2H(...

In the reaction
`SO_(2)+2H_(2)Srarr3S+2H_(2)O`
the substance oxidised is

A

`H_(2)S`

B

`SO_(2)`

C

`S`

D

`H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
A
`H_(2)S^(2-)rarrS+2e^(-)("Oxidation")`
So `H_(2)S` is oxidised.
`4e^(-)+SO_(2)rarrS ("Reduction")`
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CENGAGE CHEMISTRY-REDOX REACTIONS-Exercises (Single Correct)
  1. Which of the following represents a redox reaction?

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  2. In the reaction SO(2)+2H(2)Srarr3S+2H(2)O the substance oxidised i...

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  3. In the reaction 3Cl(2)+6NaOHrarrNaClO(3)+5NaCl+3H(2)O the element ...

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  4. The oxidation number of oxygen in OF(2) is

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  5. An oxidation process involves

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  6. Which of the following is the strongest reducing agent in aqueous medi...

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  7. Which of the following is the strongest oxidising agent?

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  8. The oxidation number of phosphorus do not involve oxidation reduction?

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  9. Which of the following reactions do not involve oxidation reduction ? ...

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  10. For the redox reaction MnO(4)^(ө)+C(2)O(4)^(2-)+H^(o+)rarrMn^(2+)+CO...

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  11. The oxidation state of nitrogen is correctly given for

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  12. The oxidation state of chrominium in Cr(CO)(6) is

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  13. Which of the following is not a redox reaction?

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  14. In the chemical reaction, K(2)Cr(2)O(7)+xH(2)SO(4)+ySO(2)rarrK(2)SO(...

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  15. One mole of N(2)H(4) loses ten moles of electrons to form a new compou...

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  16. When copper is treated with a certain concentration of nitric acid, ni...

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  17. In which of the following pairs in there the greatest difference in th...

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  18. In the reaction 3Br(2)+6CO(3)^(2-)+3H(2)Orarr5Br^(ө)+BrO(3)^(ө)+6HCO...

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  19. In the reaction 2FeCl(3)+H(2)Srarr2FeCl(2)+2HCl+S

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  20. The oxidation number of cobalt in K [Co(CO)(4)] is

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