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Fill in the blanks :The dehydration prop...

Fill in the blanks :The dehydration property of conc.`H_2SO_4` is due to the formation of ……….. With water.

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Write one example of dehydrating property of H_2SO_4

Fill in the blanks :Hydrogen sulphide reduces hot conc. H_2SO_4 to …………….

Fill in the blanks :The black substance left when Conc. H_2SO_4 is added to cane sugar is …………….

Fill in the blanks :When a lead acetate paper is shown to H_2S gas it turns ………….. Due to formation of …………

What is the reason for the syrupy nature of conc. H_2SO_4 ?

Tin reacts with conc. H_2SO_4 to give:

SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. Fill in the blanks : ……………. Is evolved when non- metals are heated wit...

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  2. The most stable allotropic form of sulphur is:

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  3. Fill in the blanks :The dehydration property of conc.H2SO4 is due to t...

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  4. Fill in the blanks :Ozone is absorbed by …………

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  5. Fill in the blanks :Ozone oxides iodine to …………

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  6. Fill in the blanks :The maximum covalency of sulphur is ………..

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  7. Fill in the blanks :When a lead acetate paper is shown to H2S gas it t...

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  8. The thermal stability of the hydrides of group 16 ......... down the g...

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  9. Fill in the blanks :SO2 gas is purified by passing it over ………….

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  10. Fill in the blanks :The formula of hypo is ………..

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  11. Fill in the blanks :The number of unpaired electrons present in the su...

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  12. Fill in the blanks :…………. Gas is librated when ozone reacts with Kl so...

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  13. Which acid is formed when sulphur dioxide dissolves in water ? Write i...

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  14. Fill in the blanks :Between H2O and H2S , the bp of ………. Is more due t...

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  15. Fill in the blanks :Dilute sulphuric acid reacts with metals liberatin...

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  16. Fill in the blanks :Ozone bleaches colouring matter by …………….

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  17. Fill in the blanks :When SO2 is passed through lime water ………… is form...

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  18. What happens when SO2 gas is passed through acidified KMnO4 solution ?

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  19. Fill in the blanks :Ozone reacts with ethylene to form ………..

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  20. SF6 exists while OF6 does not. Explain.

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