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ALKANES <ul><li>GENERAL FORMULA </li></ul><ul><li>MOLECULAR FORMULA </li></ul><ul><li>STRUCTURAL FORMULA </li></ul><ul><li...
ALKANES <ul><li>GENERAL FORMULA </li></ul><ul><li>MOLECULAR FORMULA </li></ul><ul><li>STRUCTURAL FORMULA </li></ul><ul><li...
 
 
 
 
 
 
 
 
 
 
Naming alkanes <ul><li>Identify the stem </li></ul><ul><li>Identify the branch (if any) </li></ul><ul><li>Put numbering on...
1 2 3 propane
1 2 3 4 n-butane
1 2 3 4 5 n-pentane
Naming alkanes <ul><li>Identify the stem </li></ul><ul><li>Identify the branch (if any) </li></ul><ul><li>Put numbering on...
1 2 3 4 5 2- methylpentane
1 2 3 4 5 2,4- dimethylpentane
ALKANES <ul><li>PHYSICAL PROPERTIES </li></ul>
 
ALKANES <ul><li>CHEMICAL  PROPERTIES </li></ul>COMBUSTION SUBSTITUTION REACTION
SUBSTITUTION REACTION Example: Reaction of methane with chlorine  in the presence of UV
 
 
 
Cl Cl
<ul><li>Equation </li></ul><ul><li>Step 1 </li></ul><ul><li>CH 4  + Cl 2  ---------> CH 3 Cl + HCl </li></ul><ul><li>     ...
<ul><li>Equation </li></ul><ul><li>Step 3 </li></ul><ul><li>CH 2 Cl 2  + Cl 2  ---------> CHCl 3  + HCl </li></ul><ul><li>...
ALKANES <ul><li>CHEMICAL  PROPERTIES </li></ul>COMBUSTION Example : Methane burns in excess air
C H H H H C H H H H
equation
 
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Alkanes ==names of each member , naming and physical and chemical properties

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Alkanes ==names of each member , naming and physical and chemical properties

  1. 1. ALKANES <ul><li>GENERAL FORMULA </li></ul><ul><li>MOLECULAR FORMULA </li></ul><ul><li>STRUCTURAL FORMULA </li></ul><ul><li>NAME OF EACH MEMBER </li></ul><ul><li>Physical properties </li></ul><ul><li>Chemical properties </li></ul>
  2. 2. ALKANES <ul><li>GENERAL FORMULA </li></ul><ul><li>MOLECULAR FORMULA </li></ul><ul><li>STRUCTURAL FORMULA </li></ul><ul><li>NAME OF EACH MEMBER </li></ul>
  3. 13. Naming alkanes <ul><li>Identify the stem </li></ul><ul><li>Identify the branch (if any) </li></ul><ul><li>Put numbering on the main chain </li></ul><ul><li>Name the branch first, then the stem </li></ul>
  4. 14. 1 2 3 propane
  5. 15. 1 2 3 4 n-butane
  6. 16. 1 2 3 4 5 n-pentane
  7. 17. Naming alkanes <ul><li>Identify the stem </li></ul><ul><li>Identify the branch (if any) </li></ul><ul><li>Put numbering on the main chain </li></ul><ul><li>Name the branch first, then the stem </li></ul>
  8. 18. 1 2 3 4 5 2- methylpentane
  9. 19. 1 2 3 4 5 2,4- dimethylpentane
  10. 20. ALKANES <ul><li>PHYSICAL PROPERTIES </li></ul>
  11. 22. ALKANES <ul><li>CHEMICAL PROPERTIES </li></ul>COMBUSTION SUBSTITUTION REACTION
  12. 23. SUBSTITUTION REACTION Example: Reaction of methane with chlorine in the presence of UV
  13. 27. Cl Cl
  14. 28. <ul><li>Equation </li></ul><ul><li>Step 1 </li></ul><ul><li>CH 4 + Cl 2 ---------> CH 3 Cl + HCl </li></ul><ul><li>                  </li></ul>step 2 CH 3 Cl + Cl 2 -------> CH 2 Cl 2 + HCl             
  15. 29. <ul><li>Equation </li></ul><ul><li>Step 3 </li></ul><ul><li>CH 2 Cl 2 + Cl 2 ---------> CHCl 3 + HCl </li></ul><ul><li>                  </li></ul>step 4 CHCl 3 + Cl 2 -------> CCl 4 + HCl             
  16. 30. ALKANES <ul><li>CHEMICAL PROPERTIES </li></ul>COMBUSTION Example : Methane burns in excess air
  17. 31. C H H H H C H H H H
  18. 32. equation

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