1B - Alkenes answers

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

                                    All bonds shown and carbons included

    2)          Name the following molecule:  [1]  3-methyl butanal

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

                    C₅H₁₂    +    8O₂    à    5CO₂    +    6H₂O   

                                        [1]              [1]              [1]

    4)           Write a balanced chemical equation for the incomplete combustion of butanal  [3]

                    C₄H₈O    +    3.5O₂    à    4CO    +    4H₂O   

                                            [1]              [1]              [1]

    5)           The cracking of octane prodused hex-1-ene and one other product.

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

                    C₈H₁₈    à    C₆H₁₂    +    C₂H₆  

                                           [1]              [1]

    6)           Write out an isomerisation reaction for pentane  [1]

                    C₅H₁₂    à    CH₃C(CH₃)₂CH₃

    7)           A reforming reaction of 1 mole of heptane produced 1 mole of hydrogen.

                  Write a balanced chemical equation for this reaction  [2]

                    C₇H₁₆    à    C₇H₁₄    +    H₂  

                                         [1]              [1]

    8)           A reforming reaction of 1 mole of hexane produced 4 mole of hydrogen.

                  Write a balanced chemical equation for this reaction  [2]

                    C₆H₁₄    à    C₆H₆    +    4H₂

                                          [1]            [1]