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Why do the elements of nitrogen family s...

Why do the elements of nitrogen family show almost zero electron affinity ?

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Elements of nitrogen family show zero electron affinity due to their stable half-filled `(ns^2 np_x^1 np_y ^1 np_z ^1)` electronic configuration in the valency shell.
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MBD PUBLICATION-p-BLOCK ELEMENTS-QUESTION BANK
  1. Name three metals which are rendered passive to conc. HNO3.

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  2. What happens when NH4NO3 is heated (equation only) ?

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  3. Why do the elements of nitrogen family show almost zero electron affin...

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  4. Between N and O, which one has higher ionisation potential ?

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  5. Give the trend of electronegativity of elements of Group-VA.

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  6. Between NH3 and PH3 which one is more basic ?

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  7. Between N2O3 and N2O5, which oxide is more acidic ?

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  8. Among NH3, PH3, AsH3, SbH3, BiH3, which one is the best reducing agent...

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  9. What happens when NH4Cl is heated with Ca(OH)2 (equation only) ?

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  10. Describe the preparation of Ozone.

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  11. Explain the structure of SO2 molecule.

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  12. Write some uses of sulphur dioxide.

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  13. Explain that bleaching action of CL2 is permanent, while that of SO2 i...

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  14. Which oxide of sulphur can act as an oxidising as well as reducing age...

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  15. How bromine can be liberated from KBr Solution?

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  16. What is most electropositive halogen?

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  17. Explain what happens when HCl gas is passed through concentrated NaCl ...

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  18. Discuss about the order of electron affinity of halogen elements.

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  19. What happens when H2O2 reacts with Cl2?

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  20. What happens when KCIO3 reacts with cone. H2SO4?

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