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Why does NO2 dimerise ?...

Why does `NO_2` dimerise ?

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` NO_2` contains an odd number of valence electrons. It behaves as a typical odd molecule. On dimerisation, it is converted to stable `N_2O_4` molecule with even number of electrons.
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U-LIKE SERIES-THE P-BLOCK ELEMENTS -VERY SHORT ANSWER QUESTIONS
  1. Draw the structure of XeF4 molecule.

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  2. Arrange F2, Cl2, Br2 and I2 in the order of increasing bond dissociat...

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  3. Why does NO2 dimerise ?

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  4. Fluorine does not exhibit any positive oxidation state. Why?

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  5. What is the covalence of nitrogen in N2O5 ?

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  6. Why is Bi (V) a stronger oxidant than Sb (V)?

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  7. In which one of the following two structures NO2^(+) and NO2^(-) the b...

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  8. Why is bond angle in PH3 molecule lesser than in NH3 ?

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  9. Assign reason for the following: In solid state, PCl5 behaves as an io...

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  10. Draw the structure of XeF2 molecule.

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  11. Give reason for the following: Among the noble gases only xenon is ...

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

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  13. Complete the following chemical equation : XeF4 + H2O to

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  14. Write one chemical equation to show that SO2 acts as a reducing agent.

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  15. Write one chemical equation to show that chlorine gas can be obtained ...

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  16. Write one chemical reaction equation to show that conc. H2SO4 is a str...

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  17. Give a chemical equation or name of the reaction to support the follow...

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  18. Give chemical evidence for the following: Fluorine is a stronger oxi...

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  19. Which of the two is more covalent: SbCl3 and SbCl5 ?

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  20. Draw the structure of the following species BrO4^(-).

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