THE AP Chemistry BIBLE
Predicting Products in Chemical Reactions
I. Combination
A. Two elements a compound
B. Metal oxide + water a base
C. Nonmetal oxide + water a acid
D. Metal oxide + nonmetal oxide a salt
II.
DecompositionA. Reverse of above combination reactions
B. Metallic chlorates a metallic chlorides + O2
C. Metallic carbonates a metallic oxides + CO2
D. Compound electrolyzed a elements (may involve solute or water)
E. H2O2 a H2O + O2
III.
Single Replacement (Redox)A. Metal replaces metal ion in compound if metal is more active
B. Metal replaces H in acids if metal is more active than H (Note: if acid is nitric or conc. sulfuric, reaction is more complex)
C. Halogen replaces a halogen in compound if halogen more active
D. Very active metal replaces H in H2O; forms metallic hydroxide & H2
IV.
Double Replacement:Two aqueous ionic compounds react if one product is a precipitate, gas, or molecule (such as water).
V.
CombustionOxygen + compound
a oxides of elements in compoundpage 1 | page 2 | page 3 |