How many hydrogen atoms are there in a molecule of acetylene?
- A2
- B4
- C1
- D3
Solution & Step-by-step Explanation
Acetylene (systematic name: ethyne) is the simplest alkyne hydrocarbon. Its chemical formula is C
2
H
2
, containing a carbon-carbon triple bond (H−C≡C−H). Thus, there are exactly 2 hydrogen atoms in a single molecule.
2
H
2
, containing a carbon-carbon triple bond (H−C≡C−H). Thus, there are exactly 2 hydrogen atoms in a single molecule.