Question

Classify each of the following as acombination, decomposition, singlereplacement, double replacement, orcombustion reaction:a. 2 Fe2O3(s) + 3 C(s) → 3 CO2(g) + 4 Fe(s)b. 2 KClO3(s) → 2 KCl(s) + 3 O2(g)c. 2 C3H6(g) + 9 O2(g) → 6 CO2(g) + 6 H2O(g) + energy

Answer 1

a) As we can see, on of the reactant has atoms Fe and O, while the other has only C. On the products side, it is the opposite, Fe is alone and C is with O, so the O atoms went from Fe to C, which means this is a single displancemente reaction, since one of the atoms was diplaces from one compound to tthe other.

b) This reaction starts with only one compound and ends with more than one product. This is characteristics of a decomposition reaction, where one compound is decomposed into two of more others.

c) In this reaction, we can see that we have a compound reacting with O₂ and forming only CO₂ and H₂O, and there are energy being released.

This is characteristics of a combustion reaction, which is a reaction where a given compound reacts with O₂ and releases energy, forming CO₂ and H₂O.