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PCl5 is known but PI5 is not known. Why ...

`PCl_5` is known but `PI_5` is not known. Why ?

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SHARAM PUBLICATION-GROUP 17 ELEMENTS (HALOGEN FAMILY)-EXERCISE
  1. Why is iodine solid, but other halogens are not ?

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  2. Write two characterstic properties of interhalogen compounds.

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  3. What happens when chlorine is passed through acidified FeSO4 solution ...

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  4. What happens when Cl2 gas is passed through dry slaked lime?

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  5. Why ClF(3) exists, whereas FCl(3) does not exist explain?

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  6. PCl5 is known but PI5 is not known. Why ?

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  7. How can you prepare CI2 from HCl and HCI from Cl2 ?

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  8. Why HCl cannot be dries over P2O5 ?

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  9. Why is boiling point of HF abnormally high ?

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  10. Why is fluorine most reactive of all the four common halogens ?

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  11. Iodine forms I3^(-) but F2 does not form F3^(-) ion. Why ?

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  12. Write a note on interhalogen compounds.

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  13. Write the structure of oxoacids of chlorine.

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  14. Give two general methods of preparation of Chlorine. How does it react...

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  15. Give two general methods of preparation of Chlorine. How does it react...

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  16. Give two general methods of preparation of Chlorine. How does it react...

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  17. Give one method of preparation of hydro chloric acid.Why this gas is n...

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  18. Give one method of preparation of hydrochloric acid.Why this gas is no...

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  19. Give one method of preparation of hydro chloric acid.Why this gas is n...

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  20. Give a comparative account of group 17 elements of periodic table.

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