SCH 3U
Unit 2: Chemical Reactions Review
W13
Big Ideas:
1. Chemicals react in predictable ways.
2. Chemical reactions and their applications have significant implications for society and the environment.
Key Vocabulary:
Hydrocarbons
Aliphatic
Aromatic
Saturated
Unsaturated
Alkane
Alkene
Alkyne
Alcohol
Aldehyde
Ketone
Carboxylic acid
Amine
Chemical reaction
Reactant
Product
Chemical equation
Balanced chemical
equation
Coefficient
Synthesis reaction
Decomposition
reaction
Single displacement
reaction
Activity series
Double displacement
reaction
Solubility
Precipitate
Combustion reaction
Review Questions:
1. Give the correct IUPAC name for the following hydrocarbons.
a)
CH3
H
\
/
C=C
/
\
H
CH2 ─CH3
b)
CH ≡ C─ CH3
c)
CH3 – CH2 - C ≡ C- CH2- CH3
d)
2. Draw the structural formula for the following organic compounds.
a)
1-pentene
c) butanoic acid
b)
2-chloropropane
d) 3-pentanol
3. Name the functional groups on each of the following molecules. Identify the Organic Family to which
each molecule belongs.
4.
For each of the following equations:
a.
Balance the equation.
b.
Determine the type of reaction.
i. K2SO3 + Sr(NO3)2

+ SrSO3
+ AgNO
ii. Ag + Cu(NO3)2

Cu
iii. Fe + S

FeS
iv. Pb + Mg(CH3COO)2 
Pb (CH3COO)2 +
v. H2SO4

H2O
+ SO3
vi. K2SO4 5 H2O

K2SO4
+ H2O
vii. H2SO4
+ NaOH 
H2O
+
viii. Li3PO4
+ CaCl2

LiCl
+ Ca3(PO4)2
+ O2

CO2
+ H2O
ix. C2H2
5.
KNO3
Mg
Na2SO4
Predict the products of the following synthesis and decomposition reactions.
a)
H2 (g) + Cl2 (g) 
(b)
NO2 (g) 
(c)
AuBr3 
d)
MgO (s) 
(e)
H2O (l) + NO2 (g) 
(f)
SO3 (g) + H2O (l) 
6. Determine the products of the following single displacement reactions. Where no reaction is predicted to proceed
please write the term ‘NR.
a)
Au (s) + Pb(NO3)2 (aq) 
b)
Na (s) + AgCl(aq) 
c)
KNO3 (aq) + Fe (s) 
d)
Br2 (l) + KI (aq) 
e)

F2 (g) + KI (aq) 
f)
Li (s) + KI (aq) 
7. Predict the potential products of the following double displacement reactions. Write the balanced chemical equation for
the following double displacement reactions. Use your solubility table to predict if they will occur.
a)
aluminum iodide + mercury(II) chloride
b)
silver nitrate + potassium phosphate 
c)
copper(II) bromide + aluminum chloride 
d)
calcium acetate + sodium carbonate 
e)
ammonium chloride + mercury(I) acetate 
8. Several drops of sodium sulfate solution are added to a sample of water to test for contaminants. The possible
contaminants in the water are sodium nitrate, calcium chloride, and lead (II) acetate.
a)
Which of these contaminants might be present if a precipitate forms?
b)
Write the balanced chemical equation for the reaction that involves this contaminant.
