Hydrocarbons - Result Question 15

####15. The compound with highest boiling point is

$(1982,1 M)$

(a) 2-methyl butane

(b) $n$-pentane

(c) 2, 2-dimethyl propane

(d) $n$-hexane

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Answer:

Correct Answer: 15. (a)

Solution:

  1. Among alkanes, boiling point increases with molar mass. Among isomeric alkanes, branching decreases boiling point. Therefore, $n$-hexane has highest boiling point among these.


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