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Noble gases have very low boiling points...

Noble gases have very low boiling points. Why ?

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Noble gases being monoatomic have no interatomic forces except weak dispersion forces and therefore, they are liquefied at very low temperatures. Hence, they have low boiling points.
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Assertion (A): Noble gases have very low boiling points. Reason (R): All noble gases have general electronic configuration of ns^(2)np^(6) (except He).

Assertion (A): Noble gases have very low boiling points. Reason (R): All noble gases have general electronic configuration of ns^(2)np^(6) (except He).

(A) Noble gas elements have very low melting and boiling points (R) The interatomic attractions in noble gas elements are weak dispersion forces.

Noble gases are inert - explain.

The reason for the noble gases to have low boiling and low melting point is

(A): Noble gases are lower melting points and boiling points (R): Noble gases posses weak dispersion forces.

Why Noble gases have zero electron gain enthalpy?

(A) Noble gases have very high ionization enthalpies in periodic table (R) All noble gases have stable octet configuration in their valence shell

Explain why cyanides have higher boiling points and more solubility in water than isocyanides

NCERT TELUGU-THE P-BLOCK ELEMENTS -Exercises
  1. Noble gases have very low boiling points. Why ?

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  2. Discuss the general characteristics of Group - 15 elements with refere...

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  3. Why does the reactivity of nitrogen differ from phosphorus ?

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  4. Discuss the trends in chemical reactivity of group 15 elements

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  5. NH(3) forms hydrogen bonds but PH(3) does not - why ?

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  6. How is nitrogen prepared in the laboratory ? Write the chemical equa...

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  7. How is ammonia manufactured by Haber's process ? Explain the reactions...

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  8. Illustrate how copper metal can give different products on reaction wi...

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  9. Give the resonating structures of NO(2) and N(2)O(5).

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  10. The HNH angle is higher than HPH, HAsH and HSbH angles - Why ?

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  11. Why does R(3)P=O exist but R(3)B=O does not (R = alkyl group) ?

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  12. Explain why is NH(3) basic while "BiH"(3) is only feebly basic.

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  13. Nitrogen exists as diatomic molecule and phosphorus as P(4) - Why ?

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  14. Write the difference between the properties of white phosphorus and re...

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  15. Why does nitroggen show catenation properties less than phosphorus ?

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  16. Give the disproportionation reaction of H(3)PO(3).

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  17. Can PCl(5) act as an oxidising as well as a reducing agent? Justify.

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  18. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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  19. Why is dioxygen a gas but sulphur a solid ?

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  20. Knowing the electron gain enthalpy values for O to O^(-) and O to O^(2...

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  21. Which aerosols deplete ozone?

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