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Why do noble gases have low boiling poin...

Why do noble gases have low boiling points ?

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Noble gases have very low boiling points. This is due to the reason that the atoms of these elements are held together by weak van der Waals forces (dispersion forces) of attraction both in the liquid as well as in the solid state.
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(a) what happens when (i) Chlorine gas is passed though a hot concentrated solution of NaOH? (ii) sulphure dioxide gas is passed through an aqueses solution of Fe (III) salt? (b) Answer the following : (i) what is the basicity of H_(3) PO_(3) and why?. (ii) why does fluorine not pay the role of a central atom in interhalogen compounds ? (iii) Why do noble gases have very low boiling points ?

Statement-1 :Noble gases have very low boiling points. Statement-2 : Noble gases being monoatomic have weak dispersion interatomic forces.

Account for the follwing : (i) Bi(v) is a stronger oxidizing agent then Sb(v). (ii) N-N single bond is weaker then P - P Single bond. (iii) Noble gases have very low boiling points.

PRADEEP-P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Which neutral molecule would be isoelectronic with CIO^(-) ?

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  2. Iodine forms I(3)^(-) but F(2) does not form F(3)^(-) ions. Why ?

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  3. Can FCl(3) exist ? Comment.

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  4. IF(7) exists but BrF(7) does not, why ?

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  5. Write two names of interhalogen compounds having sp^(3)d^(2) hybridiza...

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  6. Noble gases are monoatomic in nature. Explain.

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  7. Why does argon not form diatomic molecules like oxygen and nitrogen ?

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  8. Name the noble gas which is obtained from .(86)^(226)Ra. Write its mai...

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  9. Why do boiling points of noble gases increase from helium to radon ?

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  10. Which compound led to the discovery of compounds of noble gases ?

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  11. Complete the following : XeF(2) + PF(5) rarr

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  12. XeF(2) reacts with SbF(5) to form

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  13. Among noble gases, only xenon reacts with flourine to form stable xeno...

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  14. Which element among inert gases has maximum number of compounds ? Writ...

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  15. Why do not helium, neon and argon form chemical compounds ?

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  16. Which is isostructural with (i) ICl (ii) BrO(3)^(-)

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  17. Which xenon compound is isostructural with ICl(4)^(-).

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  18. Write the formula of the noble gas species whicg is isostructural with...

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  19. Why do noble gases have low boiling points ?

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  20. Which noble gas is used in filling ballons for meteorological observat...

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