Which of the following compounds has the highest boiling point? tou OH OH OH HO. HO II IV Multiple Choice II IV

Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter8: Molecules And Materials
Section: Chapter Questions
Problem 8.49PAE
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#10.
Which of the following compounds has the highest boiling point?
tou
OH
OH
OH
OH
HO
IV
Multiple Choice
IV
Transcribed Image Text:Which of the following compounds has the highest boiling point? tou OH OH OH OH HO IV Multiple Choice IV
Expert Solution
Step 1

Boiling point of alcohols :

1). Alcohols can form hydrogen bonding(a strong intermolecular force). Hence if more number of hydroxy groups (-OH groups) are present then it can form more hydrogen bonding. Hence more will be the boiling point.

2). If the two alcohols are the constitutional isomers(i.e. Same molecular formula but different connectivity) then Larger molecules(long chain) has higher boiling point. Because larger molecules have the greater surface area, so more energy needed. Therefore more boiling point. 

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