Which of the following has the lowest boiling point?
A) 2-butanone
B) 2-heptanone
C) 2-hexanone
D) 2-pentanone

Name: Which of the following has the lowest boiling point? A) 2-butanone B) 2-heptanone C) 2-hexanone D) 2-pentanone
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Question

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Boiling point generally increases with increase in molecular size and branching. Among the given options, 2-butanone has the smallest molecular size and lesser branching compared to the other ketones, leading to a lower boiling point.

Which of the Following Has the Lowest Boiling Point