Problem: Classify each of these reactions with respect to the following categories: combination reaction, decomposition reaction, combustion reaction, and single-displacement reaction. a. Fe2(CO3)2 (s) → Fe2O3(s) + 2CO2(g) b. 2C6H11OH(l) + 17O2(g) → 12CO2 (g) + 12H2O(l) c. P4O10(s) + 6H2O(l) → 4H3PO4(aq) d. 2C(s) + MnO2(s) → Mn(s) + 2CO(g) e. 2NaClO3 (s) → 2NaCl(s) + 3O2(g)

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We are being asked to classify the following reactions based on the following categories:


  • Combination/Synthesis  multiple reactants combine to form a single productw/o change in oxidation numbers

A + B AB

  • Decomposition reactant splits into multiple products with no change in oxidation numbers

AB A + B

  • Combustion reaction: reaction with oxygen that produces carbon dioxide and water

Hydrocarbon + O2 CO2 + H2O

  • single displacement single element displaces another element in a compound

AB + C AC + B


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Problem Details

Classify each of these reactions with respect to the following categories: combination reaction, decomposition reaction, combustion reaction, and single-displacement reaction. 

a. Fe2(CO3)2 (s) → Fe2O3(s) + 2CO2(g) 

b. 2C6H11OH(l) + 17O2(g) → 12CO(g) + 12H2O(l) 

c. P4O10(s) + 6H2O(l) → 4H3PO4(aq) 

d. 2C(s) + MnO2(s) → Mn(s) + 2CO(g) 

e. 2NaClO3 (s) → 2NaCl(s) + 3O2(g)

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