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Discuss the general characteristics of G...

Discuss the general characteristics of Group-15 elements with reference to their electronic configuration, oxidation state, atomic size, ionisation enthalpy and electronegativity.

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CHHAYA PUBLICATION-P-BLOCK ELEMENTS-NCERT EXERCISE QUESTIONS
  1. Discuss the general characteristics of Group-15 elements with referenc...

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

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  3. Discuss trends in chemical reactivity of Gr-15 elements.

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  4. Why does NH(3) form H-bond but PH(3) does not?

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

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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 HNH angle value is higher than HPH, HAsH and HSbH angles. Why? [Hi...

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  10. Why does R(3)P =O exist but R(3)N =O does not (R = alkyl group)?

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  11. Explain: NH(3) is basic while BiH(3) is only feebly basic.

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  12. Nitrogen exists as diatomic molecule and phosphorus as P(4). Why?

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

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

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  15. Give the disproportionation reaction of H(3)PO(3).

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  16. Can PCl(5) 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 OtoO^(2-)...

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  20. Which aerosols deplete ozone?

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