Class of reaction
Reactants Probable products
General equation
Example
Class of reaction
Reactants Probable products
General equation
Example
Synthesis
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Single Replacement
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + X AX 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AX A + X 2 H2O
2 H2 + O2
Single Replacement
An element and a compound
A different element & compound
A+BCB+AC
or
A+BCC+BA
Zn + 2HCl ZnCl2 + H2
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Single Replacement
An element and a compound
A different element & compound
A+BCB+AC
or
A+BCC+BA
Zn + 2HCl ZnCl2 + H2
Double Replacement
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Single Replacement
An element and a compound
A different element & compound
A+BCB+AC
or
A+BXC+BA
Zn + 2HCl ZnCl2 + H2
Double Replacement
Two compounds(cations trade places)
Two different compounds
AB + CD AD + CB
2KI+Pb(NO3)2
PbI2 + 2KNO3
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Single Replacement
An element and a compound
A different element & compound
A+BCB+AC
or
A+BCC+BA
Zn + 2HCl ZnCl2 + H2
Double Replacement
Two compounds(exchange parts)
Two different compounds
AB + CD AD + CB
2KI+Pb(NO3)2
PbI2 + 2KNO3
Combustion
Class of reaction
Reactants Probable products
General equation
Example
Synthesis 2 or more substances
one new compound
A + B AB 2 Mg + O2
2 MgO
Decomposition One compound
Two or more substance
AB A + B 2 H2O
2 H2 + O2
Single Replacement
An element and a compound
A different element & compound
A+BCB+AC
or
A+BCC+BA
Zn + 2HCl ZnCl2 + H2
Double Replacement
Two compounds(exchange parts)
Two different compounds
AB + CD AD + CB
2KI+Pb(NO3)2
PbI2 + 2KNO3
Combustion Substance (usually a fuel w/ C & H) + oxygen
oxides, light, heat
Fuel + O2
CO2 + H2O
CH3OH + O2 CO2 + H2O
•compound made only of hydrogen and carbon
• HxCy + O2 CO2 + H2O
• Example
CH4 + 2 O2 CO2 + 2 H2O
• HxCyOz + O2 CO2 + H2O
• Example
C2H4O2 + 2 O2 2 CO2 + 2 H2O
• If H2CO3 is formed, it immediately decomposes into H2O and CO2
• If H2SO3 is formed, it immediately decomposes into H2O and SO2