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Why does nitrogen show catenation proper...

Why does nitrogen show catenation properties less than phosphorus ?

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The N-N bond is weaker than P-P bond because of small size of nitrogen and high interelectronic repulsions between non-bonding electron pairs. Thus, catenating property of nitrogen is weaker than phosphorus.
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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-C TEXTUAL EXERCISE
  1. Nitrogen exists as diatomic molecule and phosphorus as P4. Why ?

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  2. Write main differences between the properties

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  3. Why does nitrogen show catenation properties less than phosphorus ?

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  4. Give the disproportionation reaction of H3PO3.

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  5. Can PCl5 act as an oxidising as well as a reducing agent ? Justify.

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

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

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

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  9. Which aerosols deplete ozone ?

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  10. Write the conditions to maximise the yield of H2SO(4) by Contact proc...

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  11. How is SO2 an air pollutant ?

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  12. Why are halogens strong oxidising agents ?

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  13. Explain why fluorine forms only one oxoacid, HOF.

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  14. Explain why inspite of nearly the same electronegativity, nitrogen for...

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  15. Write two uses of ClO(2)

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  16. Why are halogens coloured ?

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  17. Write the reactions of F2 and Cl2 with water.

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  18. How can you prepare Cl2 from HCl and HCl from Cl2 ? Write reactions on...

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  19. What inspired N. Bartlett for carrying out reaction between Xe and PtF...

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  20. What are the oxidation states of phosphorus in the following: (i) H(...

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