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Why does PCl3 fume in moisture ?...

Why does `PCl_3` fume in moisture ?

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Write short notes on various allotropes of phosphorus.

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  2. Name any five oxoacids of phosphorus and write their formulas .

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  3. Why does PCl3 fume in moisture ?

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  4. Explain the following: NO2 dimerises to N2O4.

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  5. Give two methods of preparation of NH3 and three important uses of NH3...

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  6. Draw the structures of XeO4

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  7. Fluorine exhibits only - 1 oxidation state whereas other halogens exhi...

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  8. What is the oxidation number of central atom K2[Zn (OH)4 ]

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  9. Noble gases have low boiling points. Explain.

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  10. What are interhalogen compounds ? Give example.

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  11. What are the interhalogen compounds ? Why are these more reactive than...

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  12. Explain the manufacture of sulphuric acid by contact process.

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  13. Describe the commerical uses of sulphuric acid.

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  14. NH3 is a strong base but NF3 does not show any basic property. Why?

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  15. What is laughing gas ?

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  16. Draw the structure of XeF4 . What is the state of hybridisation of Xe ...

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  17. Why does bond angle decreases in the hydrides of nitrogen family while...

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  18. Why are halogens coloured ?

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  19. How will ozone oxidise the following : Lead sulphide to lead sulphate

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  20. How will ozone oxidise the following : Potassium nitrite to potassium ...

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