Alkanes Have the General Molecular Formula CnH₂n+2

question 142

Multiple Choice

Alkanes have the general molecular formula CnH₂n+2. Thus, when n = 1, the alkane is CH₄, when n = 2, the alkane is C₂H₆ etc. If an alkane has a molar mass between 140 and 150, this alkane is ________.

• A) C₉H₂₀
• B) C12H₂₆
• C) C₁₀H₂₂
• D) C11H₂₄

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