Reaction Types & Oxidation/Reduction

Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion.

2 Al (s) + 3 H2SO4 (aq) → Al2(SO4)3 (s) + 3 H2 (g).

Single replacement.

Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion.

Na2SO4 + 2 AgNO3 → Ag2SO4 + 2 NaNO3

Double replacement.

Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion.

3 C + Fe2O3 → 2 Fe + 3 CO

Single replacement.

Iron (III) is reduced, Carbon is oxidized.

Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion.

C2H4 + 2 O2 → 2 CO2 + 2 H2O

Combustion.

Redox (oxidation-reduction).

Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion.

K2CO3 → K2O + CO2

Decomposition.

Identify what atom is being oxidized and what atom is being reduced.

Cr^+ + Sn^4+ → Cr³+ + Sn²+

Cr is being oxidized, Sn is being reduced.

Identify what atom is being oxidized and what atom is being reduced.

Mg + 2 HCL → MgCl2 + H2

Magnesium is being oxidized / is reducing agent.

Hydrogen is being reduced / is oxidizing agent.

Define combination, decomposition, single replacement, double replacement, & combustion.

Combination - joining of 2 or more reactants to form a single product.

Decomposition - the conversion of a single reactant to 2 or more products.

Single replacement - reaction in which 1 element replaces another element in a compound to form a new compound/element as products.

Double replacement - reaction 2 compounds exchange atoms/ions to form 2 new compounds.