 No Brain Too Small  CHEMISTRY 
H
C
C
H
H
H
H
H
O
Br
C
C
H
H
Cl
Cl
C
C
H
H
H
H
C
C
H
H
H
H
C
H
H
H
H
H
H
H
H
C
C
H
H
C
C
C
H
O
O
H
H
H
H
C
H
C
H
H
H
H
C
C
H
H
H
N
H
O
H
Br
H
H
H
H
O
H
H
H
H
H
H
H
H
H
C
C
C
C
C
C
H
H
H
H
H
H
Cl
H
H
H
C
C
H
H
H
H
PCl3, PCl5 or
SOCl2
KOH(alc), heat
H+/MnO4-
KOH(aq), heat
C2H4
heat\catalyst
H+/Cr2O72-, heat
Br
Cl2 or Br2
HCl or HBr
Cl2 or Br2, UV
H+/H2O, heat
Conc. H2SO4
Conc. NH3
H2, Ni catalyst
H+/MnO4-, heat
H
 No Brain Too Small  CHEMISTRY 
ethanoic
acid
ethane
ethanol
aminoethane
bromoethane
1,2dibromoethane
polyethene
ethan-1,2-diol
ethene
Substitution
Substitution
hydrohalogenation
Addition hydrogenation
Addition hydration
Addition polymerisation
Oxidation
Oxidation
Substitution
Elimination
Substitution
Oxidation
Elimination dehydration
Addition halogenation
Addition -
 No Brain Too Small  CHEMISTRY 
aminoethane
Place the reagents and conditions and/or
the name of the type of reaction
occurring over the  face.
ethanoic
acid
chloroethane or
bromoethane
2
different
reagents
monosubstitution
ethanol
ethene
ethane
ethan-1,2diol
1,2-dichloroethane or
1,2-dibromoethane
polyethene
 No Brain Too Small  CHEMISTRY 
Place the structural formulae
and/or names in the boxes
Conc NH3
SUBSTITUTION
PCl3, PCl5 or SOCl2
SUBSTITUTION
+
monosubstitution
HCl OR HBr
ADDITION
HYDROHALOGENATION
KOH(alc), heat
ELIMINATION
KOH(aq), heat
SUBSTITUTION
Cl2 OR Br2, UV light
SUBSTITUTION
+
H /H2O, heat
ADDITION REACTION
HYDRATION
H2, Pt or Ni catalyst
ADDITION
HYDROGENATION
+
-
H /MnO4
OXIDATION
Cl2 OR Br2
ADDITION
HALOGENATION
-,
Either H /MnO4 heat,
+
2--,
OR H /Cr2O7 heat
OXIDATION
C2H4, catalyst, heat
ADDITION REACTION
POLYMERISATION
Conc H2SO4
ELIMINATION
REACTION
DEHYDRATION
 No Brain Too Small  CHEMISTRY 
aminoethane
Suggested Answers
Conc NH3
SUBSTITUTION
ethanoic
acid
chloroethane or
bromoethane
PCl3, PCl5 or SOCl2
SUBSTITUTION
+
monosubstitution
HCl OR HBr
ADDITION
HYDROHALOGENATION
KOH(alc), heat
ELIMINATION
KOH(aq), heat
SUBSTITUTION
Cl2 OR Br2, UV light
SUBSTITUTION
+
H2, Pt or Ni catalyst
ADDITION
HYDROGENATION
ethene
H /H2O, heat
ADDITION REACTION
HYDRATION
ethanol
ethane
+
-
H /MnO4
OXIDATION
ethan-1,2diol
Cl2 OR Br2
ADDITION
HALOGENATION
1,2-dichloroethane or
1,2-dibromoethane
C2H4, catalyst, heat
ADDITION REACTION
POLYMERISATION
polyethene
-,
Either H /MnO4 heat,
+
2--,
OR H /Cr2O7 heat
OXIDATION
Conc H2SO4
ELIMINATION
REACTION
DEHYDRATION