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Explain the following : OF6 does not e...

Explain the following :
`OF_6` does not exist and `SF_6` exists. Why ?

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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
  1. Among the hydrides of Group 16, water shows unusual physical propert...

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  2. Explain the following : SCl6 is not known but SF6 is known. Why ?

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  3. Explain the following : OF6 does not exist and SF6 exists. Why ?

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  4. Give two examples to show the anomalous behaviour of fluorine.

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  5. Why ClF3 exists, but FCl3 does not exist ?

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  6. Why halogens are coloured gases and they are very reactive ? Comment o...

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  7. Bond dissociation energy of F2 is less than Cl2.

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  8. Explain the following : Iodine is more soluble in KI solution than i...

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  9. Explain the following : Fluorine does not show positive oxidation st...

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  10. What are pseudohalogens ? Give example.

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  11. Explain: Electron gain enthalpy of chlorine is more negative than fluo...

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  12. Why electron affinity of fluorine is less than that of chlorine ?

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  13. What are interhalogen compounds ? How interhalogen compounds are pre...

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  14. What are the interhalogen compounds ? Why are these more reactive than...

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  15. Why ICl3 is more reactive than I2 ?

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  16. ICI7 does not exist wile IF7 exists. Why ?

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  17. Boiling point of HCI is lower than HF. Explain why ?

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  18. Why are halogens coloured ?

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  19. Halogens have maximum negative electron gain enthalpy in the respectiv...

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  20. Although electron gain enthalpy of fluorine is less negative as comp...

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