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Which of the following is a formula for a hydrocarbon?

A. [tex]CH _3 OH[/tex]
B. HCOOH
C. [tex]CH _4[/tex]
D. [tex]CH _2 O[/tex]

Sagot :

GinnyAnsweridn
To determine which of the given chemical formulas is a hydrocarbon, we need to know that a hydrocarbon is a compound composed entirely of hydrogen (H) and carbon (C) atoms. Let's analyze each of the given chemical formulas:

1. CH[tex]\(_3\)[/tex]OH:
- Components: C (carbon), H (hydrogen), and O (oxygen)
- Presence of oxygen means it is not a hydrocarbon.

2. HCOOH:
- Components: C (carbon), H (hydrogen), and O (oxygen)
- Presence of oxygen means it is not a hydrocarbon.

3. CH[tex]\(_4\)[/tex]:
- Components: C (carbon) and H (hydrogen) only
- Contains only carbon and hydrogen, so this is a hydrocarbon.

4. CH[tex]\(_2\)[/tex]O:
- Components: C (carbon), H (hydrogen), and O (oxygen)
- Presence of oxygen means it is not a hydrocarbon.

After analyzing all the formulas, we find that the only formula that represents a hydrocarbon is CH[tex]\(_4\)[/tex]. Therefore, the third formula (CH[tex]\(_4\)[/tex]) is the answer.
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