CHAPTER 1 ORGANIC CHEMISTRY SEMESTER 2

                   

 

INCOMPLETE COMBUSTION

Incomplete combustion  takes place when there is limited supply of oxygen giving poisonous carbon monoxide.

2CH4    + 3O2 ------    2CO +4  H2O  +HEAT ENERGY

Decane             octane    +   ethene.
C₁₀H_22(g)          C₈H_18(g)  +   C₂H_4(g)

Decane             Pentane   +   ethene.+propene
C₁₀H_22(g)          C5H12_(g)  +   C₂H_{4(g) + C3H6}

EXTRA QUESTIONS

 1.How does the number of carbon atoms in a hydrocarbon affect its boiling point?.

2.Why can petrol and diesel be separated by fractional distillation? 

3.Which of the following is an alkane?a.Ethanol   b. Cyclohexane    c.Propene

                  

 4.Looking at the chemical formulae of 

these compounds, which is an alkane?a.C₃H₈          b.  C₂H₄         c. C₅H₁₀ 

http://chemwiki.ucdavis.edu/Organic_Chemistry/Hydrocarbons/Alkanes

http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/carbon_chemistry/making_polymersrev1.shtml

      

 

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      http://chemwiki.ucdavis.edu/Organic_Chemistry/Hydrocarbons/Alkenes

http://www.bbc.co.uk/schools/gcsebitesize/science/ocr_gateway/carbon_chemistry/making_polymersrev2.shtml

                                    

 

 

 

   EXTRA QUESTIONS

1.Observe the organic compounds given below

 CH₃ OH  ,  C₂H₅OH    CH₄   and  C₂H₄

Which of these  compounds    belongs to homologous series

2.Draw  any three  isomers of hexane.

3. Draw the structure  for

a. an unbranched alkane with  eight  carbon atoms.

b. a branched alkane with  five carbon atoms.

4.How do saturated compounds differ from unsaturated compounds in terms of bonding?

5.Complete the equation for the cracking of  C₁₀ H₂₂ to form ethene and one another alkane

http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel/fuels/

http://www.bbc.co.uk/education/guides/zggk87h/revision/1

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http://chemwiki.ucdavis.edu/Organic_Chemistry/Alcohols

http://www.bbc.co.uk/schools/gcsebitesize/science/triple_ocr_21c/further_chemistry/alcohols/revision/1/

http://www.bbc.co.uk/education/guides/zxkp34j/revision/2

http://www.chemguide.co.uk/organicprops/acids/background.html

http://chemwiki.ucdavis.edu/Organic_Chemistry/Carboxylic_Acids/Nomenclature_of_Carboxylic_Acids

 

http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/bonding/structure_propertiesrev2.shtml

http://www.chemguide.co.uk/organicprops/aminoacids/proteinstruct.html

http://www.chemguide.co.uk/organicprops/amides/polyamides.html