General formula of acyclic alkynes (one triple bond) (CnH2n−2)
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CnH2n−2
What each symbol means
| Symbol | What it stands for |
|---|---|
| n | Number of carbon atoms (n ≥ 2) |
When to use this
One carbon–carbon triple bond, acyclic. Terminal alkyne has acidic H (pKa ~25) — distinct reactivity.