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Give the answer of the following: two us...

Give the answer of the following: two uses of each of Argon and Helium.

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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
  1. Give two examples of anomalous behaviour of fluorine?

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  2. Give the answer of the following: how are XeO3 prepared.

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  3. Give the answer of the following: two uses of each of Argon and Helium...

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  4. Name the noble gas that forms majority of the known noble gas compound...

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  5. Draw the structure of the IF3.

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  6. Draw the structure of the XeF4.

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  7. Draw the structure of the BrF3.

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  8. CIF3 exists but FCI3 does not why?

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  9. Give reasons: The bond dissociation energy of F2 is less than that of ...

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  10. Answer the following: why do noble gases have comparatively large atom...

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  11. Answer the following: why is helium-oxygen mixture preferred over air ...

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  12. Account for the following: Fluorine forms the largest number of interh...

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  13. Answer the following: why are PCL5 more covalent than PCl3?

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  14. Answer the following: Why H2O is a liquid whereas H2S is gas at room t...

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  15. Given reasons: concentrated nitric acid renders aluminium passive.

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  16. PH3 has lower boiling point than NH3. Why?

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  17. Give reasons: ozone is more reactive than oxygen why?

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  18. Mention the general characteristics of groups 15 elements with referen...

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  19. Complete the following chemical equations: NaOH(aq) + Cl2(g) rarr (Hot...

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  20. Complete the following equation: XeF6 + H2O rarr.

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