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The general formula for alkanes is ________.
- CₙH₂ₙ
- CₙH₂ₙ₊₂
- CₙH₂ₙ₋₂
- CₙHₙ
Answer: CₙH₂ₙ₊₂
Alkanes are saturated hydrocarbons with single bonds: CₙH₂ₙ₊₂ (e.g., methane CH₄, ethane C₂H₆). Alkenes: CₙH₂ₙ; Alkynes: CₙH₂ₙ₋₂. Foundational organic chemistry. [[NCERT Chemistry Class 11]]