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What happens when SO2 gas is passed thro...

What happens when `SO_2` gas is passed through acidified `KMnO_4` solution ?

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SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. Fill in the blanks :Ozone bleaches colouring matter by …………….

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

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

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

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  5. SF6 exists while OF6 does not. Explain.

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  6. Fill in the blanks :The general electronic configuration of valence sh...

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  7. What happens when H2S gas is passed through chlorine water ?

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  8. Complete the reaction. SnCl2 + HCl +O3 rarr

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  9. Why hydrogen sulphide cannot be dried by conc. H2SO4?

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  10. How does ozone react with moist iodine?

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  11. How does sulphur dioxides bleaches vegetable colouring matter ?

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  12. How would you account for the following? The electron gain enthalpy wi...

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  13. How would you account for the following? The electron gain enthalpy wi...

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  14. Why is a compound of oxygen and florine is called as oxygen difluoride...

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  15. Why OF2 should be called oxygen difluoride and not fluorine oxide ?

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  16. The catenating tendency for sulphur is more than that of oxygen . Why ...

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  17. SF6 is known but SCl6 is not. Why?

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  18. H2S acts only as a reducing agent but SO2 acts as a reducing as well a...

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  19. Why is H2S more acidic than water ?

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  20. Oxygen is more electronegative than sulphur, yet H2S is acidic while H...

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