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Which of the following is an organic compound?

A. ammonia [tex] \left( NH_3 \right) [/tex]
B. calcium sulfide [tex] ( CaS ) [/tex]
C. octane [tex] \left( C_8H_{18} \right) [/tex]
D. sulfur trioxide [tex] \left( SO_3 \right) [/tex]

Sagot :

GinnyAnswer
To determine which of the given compounds is an organic compound, let's first understand the properties and composition of each option:

1. Ammonia (NH[tex]\(_3\)[/tex]):
- Ammonia is a compound consisting of one nitrogen (N) atom and three hydrogen (H) atoms.
- This compound is classified as an inorganic molecule because it doesn't contain carbon (C).

2. Calcium sulfide (CaS):
- Calcium sulfide is composed of one calcium (Ca) atom and one sulfur (S) atom.
- This is an inorganic compound as it doesn't have carbon (C) in its structure.

3. Octane (C[tex]\(_8\)[/tex]H[tex]\(_{18}\)[/tex]):
- Octane is comprised of eight carbon (C) atoms and eighteen hydrogen (H) atoms.
- This compound is an organic molecule because it is made up of carbon (C) in combination with hydrogen (H).
- Organic compounds mainly contain carbon and often form carbon-hydrogen bonds.

4. Sulfur trioxide (SO[tex]\(_3\)[/tex]):
- Sulfur trioxide consists of one sulfur (S) atom and three oxygen (O) atoms.
- This is an inorganic molecule due to the absence of carbon (C).

By examining the structure and composition of each compound, we can conclude that the organic compound among the listed options is octane (C[tex]\(_8\)[/tex]H[tex]\(_{18}\)[/tex]).
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