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Why are Gr 16 elements called chalcogens...

Why are Gr 16 elements called chalcogens ?

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Group 16 elements are

Which set of elements is called chalcogens ?

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SHARAM PUBLICATION-GROUP 16 ELEMENTS (OXYGEN FAMILY)-EXERCISE
  1. Write the conditions to maximise the yield of sulphuric acid by contac...

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  2. What is inert pair effect ?

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  3. Why are Gr 16 elements called chalcogens ?

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  4. Why OF6 does not exist but SF6 exists ?

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

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  6. What is charring of sugar ?

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

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

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  9. Write one oxidising property of Sulphur dioxide.

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

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

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

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  13. Discuss the general trend in physical and chemical properties of Gr 16...

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  14. Write the principles of manufacture of sulphuric acid by contact proce...

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  15. What happens when Conc.H2SO4 reacts with Ethyl alcohol.

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  16. How does Sulphur dioxide react with acidified KMnO4 solution.

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  17. How is sulphur dioxide prepared in the laboratory ? How does it react ...

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  18. How is sulphur dioxide prepared in the laboratory ? How does it react ...

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  19. Discuss contact process for manufacture of Conc. H2SO4. Write its reac...

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  20. Discuss contact process for manufacture of Conc. H2SO4. Write its reac...

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