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Drill:•Name the following:
F F
Cl
Drill: Name:
SH I
F
OH
Halogenation Addition Reaction
Addition Reactions
•Reactions in which more atoms are
added to an alkene or alkyne
Halogenation
•Reactions in which halogens are added
to an alkene or alkyne
Halogens•Elements from
column 7A or column 17
•F, Cl, Br, & I
Halogenation
C=C + X-Y -C-C-
X Y
Halogenation
C=C + IBr H-C-C-H
I BrH
H
H
HH H
Predict Product
C=C + ICl
H
H
CH3
H
Hydrohalogenation
•Reactions in which hydrogenhalides are added to an alkene or
alkyne
Hydrohalogenation
C=C + H-X -C-C-
H X
Hydrohalogenation
C=C + HClH-C-C-H
H ClH
H
H
H H H
Markovnikov’s Rule
•The major products get the “H” on the
atom in the DB that already has more “Hs”
Predict & Name Products when HF is
added to:
Halogen Rxns
•Predict the products for each of the
examples on the board
Drill:Draw the reactant, then
predict & name their products when HCl is
added to2-methyl-2-pentene
Substitution Rxns
•Reactions in which a halogen replaces a
hydrogen on an arene
H
+ X-X
X
+ H-X
cat
H
+ Br-Br
Br
+ H-Br
AlCl3
Other Addition Reactions
Hydrogenation
C=C + H2 H-C-C-H
H HH
H
H
HH H
Pt
Hydrogenation
+ H-HPd
Drill:Name reactants & predict & name products:
+ HCl
Monomer•Molecules that can combine in repeating
units creating a polymer
Polymer•Large molecules made
up of repeating units of single molecules
Naming Polymers•The polymer is named
after the monomer: polymonomer
Polymerization•The act of making
polymers out of monomers
Polymerization Reactions
C=C C=C
H
H
H
H
H
H
+H
H
+ etc
H H H H(-C-C-C-C-)n H H H H
Typical Polymers
•Large molecules made up of repeating units of a single molecule
Ethene (Ethylene)
C=C
H
H
H
H
Propene (Propylene)
C=C
H
H
H
CH3
Chloroethene orVinyl chloride
C=C
H
H
H
Cl
Tetrafluoroethene
C=C
F
F
F
F
Isoprene
C=C
C=C
CH3H
H
H
H
H
Styrene
C=C
H
HH
+ +