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Iron sulphide is heated in air to form A...

Iron sulphide is heated in air to form A, an oxide of sulphur. A is dissolved in water to give an acid. The basicity of this acid is..

A

2

B

3

C

1

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
`4FeS+7O_2 to 2Fe_2O_3+4SO_2uarr`
`SO_2+H_2O to H_2SO_3`
`H_2SO_3to2H^(+)+SO_3^(2-)`
Basicity of sulphurous acid `H_2SO_3` is 2
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DINESH PUBLICATION-THE OXYGEN FAMILY-REVISION
  1. The bond length in O2^+, O2 ,O2^- and O2^(2-) follows the order :

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  2. What is the number of sigma (sigma) and pi (pi) bonds present in sulp...

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  3. Iron sulphide is heated in air to form A, an oxide of sulphur. A is d...

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  4. Caro's acid is

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  5. The oxidation number of sulphur is -1 in

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  6. Which of the following has highest thermal stability and maximum acid ...

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  7. Bleaching action of SO2 is due to its

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  8. Oleum is chemically known as

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  9. Which of the following has the highest boiling point?

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  10. The oxidation states of sulphur in the anions SO(3)^(2-), S(2)O(4)^(2-...

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  11. In the manufacture of sulphuric acid by contact process, Tyndall box i...

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  12. SO(2) reacts with chlorine in sunlight to form :

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  13. Among Al(2)O,SiO(2),P(2)O(3) and So(2) the correct order of acid stren...

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  14. The correct order of bond angles (smallest first) in H2 S, NH3, BF3 an...

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  15. How is H2S prepared in laboratory?

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  16. The manufacture of sulphuric acid by the contact process involves the ...

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  17. Photoconductors of xerox machine uses.

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  18. S2Cl2 hydrolyses slowly to form HCl, SO2 and X. Which of the following...

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  19. Of the following sets ,which one does not contain isoeletronic species...

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  20. A colourless gas with smell of rotten fish is

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