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Which are the members of Gr -16 known as...

Which are the members of Gr -16 known as chalcogens.

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SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. Write the allotropic forms of sulphur.

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  2. Which acid is used in lead accumulators ?

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  3. Which are the members of Gr -16 known as chalcogens.

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  4. How does oxygen differ from sulphur ?

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  5. Why SO2 gas cannot be collected over water?

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  6. Which oxide of oxygen family is amphoteric in nature?

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  7. The catalyst used in the manufacture of sulphuric acid by contact proc...

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  8. Give one reaction in which SO2 behaves as a reducing agent.

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  9. What is the action of SO2 with H2S?

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  10. What is the colour change observed when SO2 is passed through acidifie...

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  11. What is the action of O3on Mercury ?

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  12. What do you mean by tailing of mercury ?

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

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  14. Arrange the hydrides of Gr 16 elements with increasing order of their ...

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  15. Which are the anhydrides of sulphurous acid and sulphuric acid ?

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  16. Write the allotropic forms of oxygen .

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

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  18. What are the different oxidation states of oxygen ?

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

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

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