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Write the preparation of hydrogen sulphi...

Write the preparation of hydrogen sulphide. How is it used in qualitative analysis? 

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AAKASH SERIES-GROUP 16 ELEMENTS-EXERCISE - 2.2
  1. Comment on the sability of hydrogen sulphide and polysulphides.

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  2. Write on the trends of bond energy, bond angle, volatility and boiling...

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  3. Write the preparation of hydrogen sulphide. How is it used in qualitat...

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  4. Tetrafluorides of sulphur are not prepared directly from elements. Why...

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  5. How are fluorides of oxygen prepared ? Write their structures.

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  6. Discuss the bonding and structures of SF(6), SCl(4), SCl(2) and S(2)Cl...

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  7. Nitric acid can not be used to prepare hydrogen sulphide. Why?

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  8. The bond angle in water molecule is nearer to tetrahedral angle, but i...

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  9. Discuss the structures of sulphite and sulphate ions.

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  10. What is ozonolysis? Write equation for the ozonolysis of ethylene. Dra...

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  11. Ozone acts as oxidising agent as well as reducing agent. Substantiate.

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  12. Hydrogen sulphide can not be dried over conc. H(2)SO(4) Why?

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  13. How many sulphur atoms in H(2)S(n)O(6) has sulphur linked to only its ...

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  14. Turbidity is obtained when hydrogen sulphide is passed through aqueous...

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  15. Compared to water, hydrogen sulphide is thermally less stable, stronge...

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  16. Supar turns black on adding with sulphuric acid. Why?

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  17. Ozone destroys mercury meriscus. Why?

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  18. Water should not be added to cone acid while preparing dilute sulphuri...

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  19. Chlorination of a gas X with chlorine gives a substance Y. Y is used t...

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  20. Sulphuric acid is manufactured in contact process, but some amount of ...

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