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Noble gases have low boiling points. Exp...

Noble gases have low boiling points. Explain.

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Fluorine exhibits only - 1 oxidation state whereas other halogens exhi...

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

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  3. Noble gases have low boiling points. Explain.

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  4. What are interhalogen compounds ? Give example.

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

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

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  7. Describe the commerical uses of sulphuric acid.

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

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  9. What is laughing gas ?

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

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

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  12. Why are halogens coloured ?

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

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

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  15. What is the oxidation number of central atom Mn3 (CO)12

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  16. What is tailing of mercury ?

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

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  18. H3PO2 is monoprotic acid. Explain.

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  19. What is the oxidation number of central atom Na3[Cr (OH)2 F ]

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  20. How will ozone oxidise the following : Copper sulphide to copper sulph...

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