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In which elements of oxygen family the +...

In which elements of oxygen family the +6 oxidation state is least stable.

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SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. Which are the anhydrides of sulphurous acid and sulphuric acid ?

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  2. Write the allotropic forms of oxygen .

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  3. In which elements of oxygen family the +6 oxidation state is least sta...

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  4. What are the different oxidation states of oxygen ?

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  5. Arrange the hydrides of elements of oxygen family in the increasing o...

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  6. Which catalyst is used in the preparation of oxygen from potassium chl...

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  7. Between O2 and O3 which is paramagnetic ?

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  8. What is Oleum ? Write its formula.

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  9. What are the reactions involved for ozone layer depletion in the atmos...

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  10. Name the allotrope of oxygen, which is used as a disinfectant and a ge...

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  11. Which gas is librated when metallic copper reacts with Conc. H2SO4 ?

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  12. Which gas is librated when Zinc reacts with Conc. H2SO4 ?

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  13. Between SO2 and SO3 which one acts as the reducing agent ?

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  14. Bleaching properties of bleaching powder are due to its:

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  15. Fill in the blanks :Ozone reacts with stannous chloride and HCl to for...

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  16. Fill in the blanks :When sulphuric acid is dehydrated ………….. Is formed...

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  17. Fill in the blanks :Hydrogen sulphide reduces hot conc. H2SO4 to ……………...

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  18. Tailing of mercury is due to formation of .

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  19. Fill in the blanks :The black substance left when Conc. H2SO4 is added...

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  20. Fill in the blanks :Sulphur acts as ………….. In vulcanization of rubber.

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