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What type of reaction is shown below?

[tex]C_5H_{12}(g) + 5O_2(g) \rightarrow 5CO_2(g) + 6H_2O(g)[/tex]

A. Combustion
B. Precipitation
C. Neutralization
D. Decomposition


Sagot :

To determine the type of reaction given as:

[tex]\[ \text{C}_5\text{H}_{12}(g) + 5 \text{O}_2(g) \rightarrow 5 \text{CO}_2(g) + 6 \text{H}_2\text{O}(g) \][/tex]

we should follow these steps:

1. Identify the Reactants and Products:
- The reactants are [tex]\( \text{C}_5\text{H}_{12} \)[/tex] (a hydrocarbon) and [tex]\( \text{O}_2 \)[/tex] (oxygen gas).
- The products are [tex]\( \text{CO}_2 \)[/tex] (carbon dioxide) and [tex]\( \text{H}_2\text{O} \)[/tex] (water).

2. Classify the Reactants:
- [tex]\( \text{C}_5\text{H}_{12} \)[/tex] is a hydrocarbon, which often participates in combustion reactions.
- [tex]\( \text{O}_2 \)[/tex] is oxygen, which is a common reactant in combustion reactions.

3. Examine the Reaction Characteristics:
- In combustion reactions, a hydrocarbon reacts with oxygen to produce carbon dioxide and water.
- This reaction perfectly fits the typical combustion reaction pattern: hydrocarbon + oxygen → carbon dioxide + water.

4. Match with Reaction Types:
- A. Combustion: It matches the pattern described above, wherein a hydrocarbon reacts with oxygen to form [tex]\( \text{CO}_2 \)[/tex] and [tex]\( \text{H}_2\text{O} \)[/tex].
- B. Precipitation: This type involves the formation of a solid from two aqueous solutions. The given reaction does not fit this pattern.
- C. Neutralization: This type involves an acid reacting with a base to form water and salt. The given reaction does not involve an acid or a base.
- D. Decomposition: This type involves breaking down a compound into simpler substances. The given reaction does not involve a single compound breaking down.

Considering all the above points, the correct type of reaction for the given equation is:

[tex]\[ \boxed{\text{Combustion}} \][/tex]

Therefore, the answer is:

[tex]\[ A. \text{Combustion} \][/tex]
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