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What happens when Con.H2SO4 is added to ...

What happens when Con.`H_2SO_4` is added to `CaF_2` ?

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SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. How does Nitric oxide emitted from the exhaust of Supersonic jet aerop...

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  2. Elements of Gr 16 generally show lower value of 1st ionization enthalp...

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  3. What happens when Con.H2SO4 is added to CaF2 ?

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  4. Write the increasing order of thermal stability of hydrides of Gr-16 e...

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  5. Why is H2O liquid and H2S a gas ?

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  6. Why does ozone act as a powerful oxidising agent?

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  7. What happens when Sulphur dioxide is passed through FeCl3 solution ?

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  8. Write three important applications H2SO4.

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  9. Write the conditions to maximise the yield of sulphuric acid by contac...

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  10. What is inert pair effect ?

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  11. Why are Gr 16 elements called chalcogens ?

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  12. Why OF6 does not exist but SF6 exists ?

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  13. Arrange the following in order of increasing acid character. H2O, H2S,...

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  14. What is charring of sugar ?

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  15. What happens when SO2 gas is passed through acidified K2Cr2O7 solution...

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  16. Why does SO2 act as a bleaching agent and is temporary ?

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  17. Write one oxidising property of Sulphur dioxide.

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  18. Give one reaction in which H2SO4acts as a dehydrating agent .

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  19. Arrange the following in order of increasing acid character. H2O, H2S,...

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  20. Give a comparative account of Gr 16 elements of periodic table.

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