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P block element 2017

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Boron family (Class 11)
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P block element 2017

  1. 1. P- Block element
  2. 2. S Block D Block P Block F Block
  3. 3. P-block element
  4. 4. Atomic radius
  5. 5. Inert paired effect
  6. 6. More Stable- BCl3 or TlCl3 ?
  7. 7. Cl Cl Cl = F
  8. 8. Electron Deficient compound.
  9. 9. Boric acid(H3BO3) Structure of Boric acid- combine This with many boric acid.
  10. 10. General E.C- ns2 np1
  11. 11. General E.C- ns2 np2
  12. 12. General E.C- ns2 np3
  13. 13. General E.C- ns2 np4
  14. 14. General E.C- ns2 np5
  15. 15. General E.C- ns2 np6
  16. 16. E.C of Group 13 Element Occurence
  17. 17. Highly Reactive
  18. 18. General trends in group 13 elements
  19. 19. The amount of energy required to remove the most loosely bound electron from the valence shell of an isolated gaseous atom. IONISATION ENTHALPY
  20. 20. Physical and chemical properties of Boron
  21. 21. Occurrence Chemical reaction of Al
  22. 22. Introduction of Group 14 Element Occurrence
  23. 23. General trends in group 14 element
  24. 24. Stability
  25. 25. Anomalous behavior of Carbon Catenation Allotropes of Carbon
  26. 26. Some Important compounds of Carbon Diamond Graphite
  27. 27. Fullerenes
  28. 28. Characteristic of fullerene
  29. 29. Of Carbon
  30. 30. Dry ice • Solid CO2 called. • It is directly, solid  gas Uses- • Food industry cooling food. • Making cool bath lab. • Fire extinguisher.
  31. 31. Silicon (E.F- R2SiO) • Si are synthetic compound containing R2SiO unit. • R= CH3 or C6H5 group. • short chain-oily liquid. medium- viscous and jelly long- rubbery elastomer. • Water resistance. • High thermal stability and dielectric strength.
  32. 32. Application(use) • Use to prepare water proof paper, wood and textiles. • Used as lubricant high and low Temperature. • Use as sealant(sealing or seal), grease & electrical insulator. • Surgical and cosmetic.
  33. 33. Silicate- [SiO4 2-] • Mineral of Silicon. • Occur in Mica(mix of mineral),clay or feldspar(rock).
  34. 34. Zeolites or (aluminosilicate) • Greek Zein-boiling,lithos- stone. • Silicate in which few Si atom are replaced by Al atoms…. • They carry –ve charge. • -ve charge balanced by cation such as Na+,K+,Ca2+.
  35. 35. Water should not kept in aluminum utensil. Reason? • It give small amount of Al3+ ion. • Al3+ is harmful to health. Al + H2O +O2  Al2O32 + H2
  36. 36. Aluminium wire is used to make transmission cables.Reason? • Al is light metal. • Al alloy- strong and high tensile strength(tough).anticorrosion. • Good conductor. • Cheaper then Cu,Ag,Au.
  37. 37. Aluminium alloy are used to make aircraft body.Reason? • Al is light metal. • Al alloy- strong and high tensile strength(tough).anticorrosion. • Eg. Duralumin- Al(95%),Cu(3%),Mn(1%),Mg(1%)
  38. 38. Concentrated HNO3 can be transported in Al container. • Al + HNO3 acid  thin film of Al oxide on its surface. • This protect Al from further action.
  39. 39. Excessive content of CO2 responsible for global warming. • Excessive CO2 lead green house effect. • Green house disturbed ozone gas. • increase the Temperature causes climate change.
  40. 40. Excessive content of CO2 responsible for global warming. • Excessive CO2 lead green house effect. • Green house disturbed ozone gas. • increase the Temperature causes climate change.

Hinweis der Redaktion

  • Diborane me B-B apas me hydrogen se juda hai na ke B-B banake.

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