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What are freons ?...

What are freons ?

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The chlorofluorocarbon compounds of methane and ethane are collectively known as freons. They are extramely stable, unreactive, non-toxis, non-corrosive and easily liquefiable gas, Freons are used for aerosol propellants, refrigeration, and air conditioning purposes. Freons cause ozone depletion.
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. With what neutral molecule is CIO^- isoelectronic? Is that molecule a ...

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  2. What are pseudohalogens ? Give example.

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  3. What are freons ?

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

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

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  6. Noble gases have low boiling points. Explain.

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  7. Why has it been difficult to study the chemistry of radon?

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  8. Why electron gain enthalpies of noble gases are positive ?

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

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  10. Why is helium placed in p-block elements although its last electron en...

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  11. What inspired N. Bartlett,for carrying out the reaction between Xe and...

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  12. What inspired N. Bartlett,for carrying out the reaction between Xe and...

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  13. Among noble gases, only Xe is known to form chemical compounds. Why ?

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

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

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  16. Discuss the structure of the XeF4 on the basis of VSEPR theory.

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  17. Discuss the structure of XeF2 on the basis of VSEPR teory.

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  18. How are XeO3 and XeOF4 prepared?

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  19. Discuss the shapes of XeO3, XeOF4, XeOF2, and XeO2 F2

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  20. Discuss the hydrolysis of XeF3. Does the hydrolysis of XeF6 lead to a ...

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