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Discuss the trends in chemical reactivit...

Discuss the trends in chemical reactivity of group-15 elements.

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KUMAR PRAKASHAN-THE P-BLOCK ELEMENTS -SECTION-C TEXTUAL EXERCISE
  1. Discuss the general characteristics of Group-15 elements with referenc...

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  2. Why does the reactivity of nitrogen differ from phosphorus ?

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  3. Discuss the trends in chemical reactivity of group-15 elements.

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

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  5. How is nitrogen prepared in the laboratory ? Write the chemical equati...

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  6. How is ammonia manufactured industrially ?

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

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  8. Give the resonating structures of NO(2) and N(2)O(5)

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  9. The H - N - H angle value is higher than H-P-H, H-As-H and H-Sb-H angl...

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  10. Why does R3P = O exist but R3N = O does not (R = alkyl group) ?

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  11. Explain why NH(3) is basic while BiH3 is only feebly basic.

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  12. Nitrogen exists as diatomic molecule and phosphorus as P4. Why ?

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  13. Write main differences between the properties

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  14. Why does nitrogen show catenation properties less than phosphorus ?

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  15. Give the disproportionation reaction of H3PO3.

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  16. Can PCl5 act as an oxidising as well as a reducing agent ? Justify.

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  17. Justify the placement of O, S, Se, Te and Po in the same group of the ...

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  18. Why is dioxygen a gas but sulphur a solid ?

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  19. Knowing the electron gain enthalpy values for O to O^(-) and O to O^(2...

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  20. Which aerosols deplete ozone ?

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