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When SO(2) is passed through acidified K...

When `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution

A

The solution turns blue

B

The solution is decolourised

C

`SO_(2)` is reduced

D

Green `Cr_(2)(SO_(4))_(3)`is formed

Text Solution

Verified by Experts

The correct Answer is:
D
`K_(2) Cr_(2) O_(7) + H_(2) SO_(4) + 3SO_(2) rarr K_(2)SO_(4) + underset("Green")(Cr_(2)(SO_(4))_(3) + 3H_(2)O`
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-Compound Of Sulphur(Group 16)
  1. H(2)S oxidises in presence of excess oxygen, gives-

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  2. A solution of sulphur dioxide in water reacts with H(2)S precipitating...

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  3. When SO(2) is passed through acidified K(2)Cr(2)O(7) solution

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  4. Which of the following is oxidised by O(2)?

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  5. The number of lone pairs and the number of S-S bonds in S(8) molecules...

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  6. A salt of sulphures acid is called

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  7. The final acid obtained during the manufacturing of H(2)SO(4) by conta...

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  8. Which of the following is not the application of sulphur?

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  9. When sulphur is boiled with Na(2)SO(3) solution, the compound formed i...

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  10. The product of the chemical reaction between Na(2)S(2)O(3), Cl(2) and ...

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  11. Hypo is used in photography to

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  12. The catalyst used in the manufacture of H(2)SO(4) by contact process i...

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  13. H(2)SO(4) has very high corrosive action on skin because

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  14. Permono sulphuric acid is known as

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  15. Sulphur on boiling with NaOH solution gives

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  16. Bleaching action of SO(2) is due to

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  17. Sulphur in +3 oxidation state is present in

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  18. In the reaction 2Ag+2H(2)SO(4)rarrAg(2)SO(4)+2H(2)O+SO(2),H(2)SO(40act...

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  19. In the reacton HCOOH overset(H(2)SO(4))(rarr)CO+H(2)O,H(2)SO(4) actss ...

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  20. H(2)S on incomplete combustion with oxygen forms mainly

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