<ul><li>State  5 physical properties of ethane </li></ul><ul><li>Low melting and boiling point </li></ul><ul><li>Low densi...
Chemical properties of alkanes  (20 m) a) Write chemical equation for complete combustion of methane  Correct reactant = 2...
Write BOTH STRUCTURAL  AND MOLECULAR  equations for substitution reaction of methane
<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             
<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              Cl Cl
<ul><li>State  5 physical properties of ethene </li></ul><ul><li>Low melting and boiling point </li></ul><ul><li>Low densi...
<ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of hydrogen  </li></ul>
<ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of bromine  </li></ul>
<ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of hydrogen chloride </li></ul>
<ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of steam </li></ul>
<ul><li>ADDITIONAL REACTION  of  ethene </li></ul><ul><li>Addition of KMnO4 acidified </li></ul>
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Alkanes and alkenes physical properties and chemical properties

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Alkanes and alkenes physical properties and chemical properties

  1. 2. <ul><li>State 5 physical properties of ethane </li></ul><ul><li>Low melting and boiling point </li></ul><ul><li>Low density </li></ul><ul><li>Not soluble in water </li></ul><ul><li>Soluble in organic solvent </li></ul><ul><li>Cannot conduct electricity </li></ul>
  2. 3. Chemical properties of alkanes (20 m) a) Write chemical equation for complete combustion of methane Correct reactant = 2m Correct product = 2m
  3. 4. Write BOTH STRUCTURAL AND MOLECULAR equations for substitution reaction of methane
  4. 5. <ul><li>Step 1 </li></ul><ul><li>CH 4 + Cl 2 ---------> CH 3 Cl + HCl </li></ul><ul><li>                  </li></ul>
  5. 6. step 2 CH 3 Cl + Cl 2 -------> CH 2 Cl 2 + HCl             
  6. 7. <ul><li>Step 3 </li></ul><ul><li>CH 2 Cl 2 + Cl 2 ---------> CHCl 3 + HCl </li></ul><ul><li>                  </li></ul>
  7. 8. step 4 CHCl 3 + Cl 2 -------> CCl 4 + HCl              Cl Cl
  8. 9. <ul><li>State 5 physical properties of ethene </li></ul><ul><li>Low melting and boiling point </li></ul><ul><li>Low density </li></ul><ul><li>Not soluble in water </li></ul><ul><li>Soluble in organic solvent </li></ul><ul><li>Cannot conduct electricity </li></ul>
  9. 10. <ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of hydrogen </li></ul>
  10. 11. <ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of bromine </li></ul>
  11. 12. <ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of hydrogen chloride </li></ul>
  12. 13. <ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of steam </li></ul>
  13. 14. <ul><li>ADDITIONAL REACTION of ethene </li></ul><ul><li>Addition of KMnO4 acidified </li></ul>

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