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Discuss gradation in physical and chemic...

Discuss gradation in physical and chemical properties among halogens.

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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-II)(DESCRIPTIVE QUESTIONS)(LONG ANSWER QUESTIONS)
  1. Why is O2 inert at room temperature ?

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  2. Name the elements of group 17. Describe the trend in the properties of...

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  3. Discuss gradation in physical and chemical properties among halogens.

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  4. How does chlorine occur in nature ? Give names and formulae of its imp...

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  5. How is Cl2 obtained in the laboratory ? Describe its important propert...

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  6. Arrange the following in the increasing order of acid strength : 1) H...

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

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  8. Arrange the following in order of decreasing ionic character M-F,M-...

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  9. What are interhalogen compounds ? How are they classified? Give the st...

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  10. Using VSEPR theory, predict the probable structures of SO(3)^(2-),IF...

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  11. Describe the molecular shapes of the following

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  12. Write the formula of the noble gas species that is isostructural with ...

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  13. With what neutral molecule is ClO^(–) isoelectronic? Is that molecule ...

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  14. Describe the position of noble gases in the periodic table .

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  15. Describe the position of noble gases in the periodic table .

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  16. Discuss the trend in the following properties of noble gases: (i) Me...

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  17. Using the VSEPR theory, discuss the molecular shapes of XeF(2).XeF(...

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  18. Draw the structures of the following: (i) N2O5 (ii) XeOF4

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  19. (a) Draw the structure of the following : (i) N(2)O(5) (ii) XeO...

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  20. Draw the structures of the following: (i) XeF4 (ii) H2S2O7

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