JAMB Chemistry 2007 Objective — Question 50

Question 50 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2007 Objective paper, with the correct answer and a full explanation.

Which of the following alkanes has the highest boiling point?

A. Ethane
B. Methane
C. PentaneCorrect
D. Propane

Explanation

Boiling point increases with molecular mass/chain length in the alkane homologous series; pentane (C5H12) has the highest boiling point of those listed.

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