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Explain the difference in the structures...

Explain the difference in the structures of white and red phosphorus.

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White phosphorus consists of discrete `P_4` molecules which are pyramidial in shape. On the other hand red phosphorus has a polymeric structure in which pyramidial `P_4` units are linked in an extended chain structure.
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BETTER CHOICE PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
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  2. Which gas is evolved when concentrated HCl is added to powdered potass...

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  3. Explain the difference in the structures of white and red phosphorus.

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  4. Draw the structure of P4O10.

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  5. What happens when white phosphorus is heated with concentrated NaOH so...

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  6. Explain why orthophosphorus acid, H3 PO3 is diprotic .

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  7. How do you account for the reducing behaviour of H3P02 on the basis of...

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  8. Why the basicity of all the acids of phosphorus is different?

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  9. Give the structure and basicity of H3PO4.

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  10. All the five bonds in PCl5 are not equivalent justify.

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  11. Draw the structure of PCl3.

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  12. Why are pentahalides more covalent than trihalides ?

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  13. Why does NO2 dimerise ?

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  14. Write two reactions of HNO3 with non-metals to show the oxidising char...

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  15. Explain the acidic character of Perchloric acid compared to sulphuric ...

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  16. Why white phosphorus is more reactive than red phosphorus?

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  17. What happens when ammonium nitrate is heated ?

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  18. What is laughing gas ?

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  19. Account for the following: The +2 oxidation state of lead is more stab...

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  20. Inert pair effect strongly exists in heavy p-block elements. Comment.

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