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Why are the elements of Group 18 known a...

Why are the elements of Group 18 known as noble gases ?

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JMD PUBLICATION-THE p-BLOCK ELEMENTS-Example
  1. Arrange HClO4,HClO3,HClO2,HClO in order of oxidising power Give re...

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  2. Arrange the following in order of property indicated for each set : ...

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  3. Arrange the following in order of property indicated for each set : ...

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  4. With what neutral molecule is CIO^- isoelectronic? Is that molecule a ...

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  5. What inspried N. Bartlett for carrying out reaction between Xe and PtF...

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  6. Noble gases have low boiling points. Explain.

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  7. Why elements of Group 18 are less reactive or inert ?

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  8. Why are the elements of Group 18 known as noble gases ?

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  9. Why electron gain enthalpies of noble gases are large positive ?

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  10. Why noble gases have very high values of ionisation enthalpies ?

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  11. Give the preparation, hybridisation and structure of XeF4 (XenonTetraf...

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  12. Draw the structure of XeOF2

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  13. Hydrolysis of XeF6 is a redox reaction.

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  14. How are Xenon fluorides XeF2, XeF4 and XeF6 prepared ?

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  15. Draw the structure of XeF2, XeF4 and XeF6.

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  16. How are XeO3 and XeOF4 prepared?

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  17. Discuss the shapes of XeO3 and XeOF4 on the basis of VSEPR theory.

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  18. List the uses of noble gases.

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  19. Out of noble gas, only xenon is known to form chemical compound. Expla...

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  20. Why do noble gases form compounds with fluorine and oxygen ?

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