1 - Review all questions 2  /28

    1)          Name the following molecule:  [1]

 

                               CH3CHBrCH2COOH

    2)          Describe a simple chemical test to distinguish between an alkane and an alkene. 

                 Include any observations. [3] 

 

    3)          Show with the aid of curly arrows the mechanism for the reaction between hydrogen bromide and ethene [5] 

 

    4)          Describe the type of reagent and mechanism for question 9   [2] 

 

    5)           Write an equation showing the initiation step for the reaction between chlorine and methane.

                  Describe the bond breaking.  [2]

 

    6)           For the reaction in (4), write out the propagation steps [2]

 

    7)          For the reaction in (4), write out the termination steps [3]

 

    8)          Describe the type of reagent and mechanism for questions 4 - 6   [2] 

 

    9)          Describe how you would convert propene to propane   [3]

 

    10)        Describe how you would convert ethane to propanol   [2]

 

    11)        What type of reaction would convert hexane into benzene   [1]

   

    12)        Draw and label the stereoisomers of but - 2 - ene   [2]