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(a) Draw the molecular structures of the...

(a) Draw the molecular structures of the following compounds :
(i) `N_(2)O_(5) " "` (ii) `XeOF_(4)`
(b) Explain the following observations :
(i) Sulphur has a greater tendency for catenation than oxygen.
(ii) ICI is more reactive than `I_(2)`.
(iii) Despite lower value of its electron gain enthalpy with negative sign, fluorine `(F_(2))` is a stronger oxidizing agent than `Cl_(2)`.

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(a) Draw the structures of the following compounds : (i) XeF_(4) (ii) N_(2)O_(5) .

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(SHORT ANSWER QUESTIONS)
  1. Explain the following: (a) Oxygen molecule has formula O2 while sul...

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  2. Compare the structural shapes of the following species: (i) SF4 (...

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  3. (a) Draw the molecular structures of the following compounds : (i) N...

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  4. How would you account for the following : (i) The electron gain enth...

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  5. (a) Give reasons for the following: (i) Sulphurin vapour state shows...

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  6. (a) Account for the following observations : (i) SF(4) is easily hyd...

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  7. Explain the following situations : (ii) Sulfur exhibits greater tend...

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  8. Why oxygen differs from the rest of the members of its family?

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  9. Give the structures of the following compounds : (i) Peroxomonosulfu...

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  10. Give reasons for the following : Fluorine shows an oxidation state o...

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  11. Give reasons for the following : Fluorine has lower electron gain en...

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  12. Give reasons for the following : HF has abnormally high melting and ...

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  13. Why the melting and boiling points of halogens increase in going from ...

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  14. How is chlorine produced industrially?

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  15. Why are halogens coloured?

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  16. Why F2 is the strongest oxidising agent, although it has lower electro...

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  17. Why are halogens strong oxidising agents?

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  18. Why does fluorine not form polyfluorides?

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  19. What are hallucinogens? Give their two examples. Mention their clinica...

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  20. Why does fluorine exhibit abnormal behaviour ?

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