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How is H2S prepared in laboratory?...

How is `H_2S` prepared in laboratory?

A

`FeSO_4 + H_2SO_4`

B

FeS + dil. `H_2SO_4`

C

FeS + conc. `H_2SO_4`

D

Elementary `H_2` + elementary S

Text Solution

Verified by Experts

The correct Answer is:
B
`FeS+2HCl(dil.) to FeCl_2+H_2S`
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DINESH PUBLICATION-THE OXYGEN FAMILY-REVISION
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  2. The correct order of bond angles (smallest first) in H2 S, NH3, BF3 an...

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  3. How is H2S prepared in laboratory?

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

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  5. Photoconductors of xerox machine uses.

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

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

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  8. A colourless gas with smell of rotten fish is

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  9. There is no S-S bond in

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  10. How many types of F-S-F bonds are present in SF4?

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  11. The reaction between NH2^(Ө) and N2 O gives

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  12. The element evolving two different gases on reaction with conc. H2 SO4...

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  13. Na2S2O3 is oxidised by I2 to

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  14. Which of the following statements regarding sulphur is incorrect?

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  15. Which of the following has the largest size?

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  16. The molecular mass of Na2S2O3 and I2 are the M1 and M2 respectively, t...

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  17. Identify the incorrect statement from the following:

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  18. Which of the following is a the most preferred and hence of the lower ...

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  19. Which of the following statements regarding sulphur is incorrect?

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  20. Sulphur trioxide can be obtained by which of the following reactions:

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