1 - Review all questions 1  /25

    1)          Draw the displayed formula for 3-bromo 2-methyl butanoic acid  [1]

 

    2)           Write a balanced chemical equation for the complete combustion of ethanol  [3]

 

    3)           The cracking of decane produced hexane and one other product.

                  Write a balanced chemical equation for this reaction.  [2]

 

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

                  Describe the bond breaking.  [2]

 

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

 

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

 

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

 

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

                 Include any observations. [3] 

 

    9)          Show with the aid of curly arrows the mechanism for the reaction between chlorine and ethene [5] 

 

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