SNC2D – Chemistry: Chemical Reactions
Notes: Types of Chemical Reactions II
1. Synthesis (Combination)
2. Decomposition
3. Single Displacement
Definition/Format:
Example/Practice:
3. Single Displacement
4. Double Displacement
5. Combustion
SNC2D – Chemistry: Chemical Reactions
4. Double Displacement
Definition/Format:
Example/Practice:
5. Combustion
Definition/Format:
Example/Practice
SNC2D – Chemistry: Chemical Reactions
Single Displacement and Double Displacement Practice Exercises:
Section 1. For each of the chemical reactions listed below, complete the following:
 The type of chemical reaction (single or double displacement)
 Balance the skeletal equation
1. Sulphuric acid reacts with iron (II) sulphide to produce iron (II) sulphate and hydrogen
sulphide.

Reaction type: ___________________________________
 Balance the skeletal equation: ______H2S04 + _____FeS  _____FeSO4 +
_____H2S
2. An alkali metal such as sodium displaces hydrogen from water to form sodium hydroxide
and hydrogen gas.

Reaction type: ___________________________________
 Balance the skeletal equation: ______Na + _____H2O  _____NaOH + _____H2
3. Valuable silver can be recovered from a solution of silver nitrate by adding copper to
produce copper (II) nitrate and a silver precipitate.

Reaction type: ___________________________________
 Balance the skeletal equation: ______AgN03 + _____Cu  _____Cu(NO3)2 +
_____ Ag
4. If we were to add table salt to a solution of silver nitrate we would produce sodium nitrate
solution and silver chloride.
 Reaction type: ___________________________________
 Balance the skeletal equation: _____NaCl + ____AgNO3  ____NaNO3 +
____AgCl
5. Potassium iodide reacts with lead (II) sulphate to produce potassium sulphate and lead (II)
iodide.
 Reaction type: ___________________________________
 Balance the skeletal equation: ______ KI + _____ PbS04  _____K2SO4 +
_____PbI2
6. The metal zinc reacts with tin (II) chloride under high heat conditions to produce zinc
chloride and tin.
 Reaction type: ___________________________________
 Balance the skeletal equation: ______Zn + _____SnCl2  _____ZnCl2 + _____Sn
7. Sodium hydroxide will be neutralized when combined with hydrochloric acid to produce table
salt and water.
 Reaction type: ___________________________________
 Balance the skeletal equation: ______NaOH + _____HCl  _____NaCl +
_____H2O
SNC2D – Chemistry: Chemical Reactions
Section 2: Predict the products of the chemical reactions
Complete the skeleton equation by predicting the products, balance the equation, and then
indicate the type of chemical reaction.
1)
__ Ag + __CuSO4 
Type:___________________________
2)
__ NaI + __ CaCl2 
Type:___________________________
3)
__ Pb(NO3)2 + __ Mn(OH)2 
Type:___________________________
4)
__ AgCO3 + __ BaSO4 
Type:___________________________
5)
__ Ca(CN)2 + __ CuSO4 
Type:___________________________
6)
__ ZnCl2 + __Li 
Type:___________________________
Table of Polyatomic Ions: (You may find this useful!)
Ion Formula
NH4+1
ClO3-1
OH-1
NO3-1
MnO4-1
CO3-2
HCO3-1
SO4-2
HSO4-1
PO4-3
CN-1
Ion Name
ammonium
chlorate
hydroxide
nitrate
permanganate
carbonate
bicarbonate
sulfate
bisulfate
phosphate
cyanide