General formula of acyclic alkanes (CnH2n+2)

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CnH2n+2

What each symbol means

SymbolWhat it stands for
nNumber of carbon atoms in the acyclic saturated chain (n ≥ 1)

When to use this

Open-chain (acyclic) alkanes only. Each C is sp³ with single bonds; no rings. Cycloalkanes follow CnH2n (ring closes with one fewer H pair vs alkane).