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Why has it been difficult to study the c...

Why has it been difficult to study the chemistry of radon?

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  • The d and f-block elements

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ASSAM ACADEMIC CENTRE-The p-Block Elements-Example
  1. Why is Helium used in diving apparatus?

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

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  3. Why has it been difficult to study the chemistry of radon?

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

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  5. Why does the reactivity of nitrogen differ from phosphorous?

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  6. Why does NH3 form hydrogen bond but PH3 does not?

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  7. How is nitrogen prepared in the laboratory? Write the chemical equatio...

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  8. How is ammonia manufactured industrially?

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  9. Illustrate how copper metal can give different products on reaction wi...

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  10. Give the reasonating structures of NO2 and N2O5.

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  11. Why does R3P=0 exist but R3N=0 does not?

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  12. Explain why NH3 is basic while BiH3 is only feebly basic.

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  13. Nitrogen exists as diatomic molecule and phosphorous as P4.

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  14. Write main differences between the properties of white phosphorus and ...

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  15. Why does Nitrogen show catenation properties less than phosphorus?

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  16. Write the disproportionation reaction of H3PO3.

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  17. Account for the following: Dioxygen is a gas but sulpher is a solid.

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  18. Knowing the electron gain enthalphy values for OrarrO^- and O rarrO^2-...

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  19. Name a aerosol that depletes ozone.

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  20. Write the conditions to maximize the yield of H2SO4 by contact process...

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