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Which of the following intermolecular forces would affect boiling point the most?

A. Hydrogen Bonding
B. Van der Waals forces
C. Induced dipole attractions
D. Dipole-dipole attractions

2 Answers

5 votes

Answer:

Correct answer: Hydrogen Bonding

Step-by-step explanation:

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User Zupa
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Hydrogen Bonding will effect the boiling point the most. Let's take an example Butane a four carbon unsaturated organic compound with molecular formula C₄H₁₀ and boiling point -1 °C.

H₃C-CH₂-CH₂-CH₃

Now, replace one hydrogen on terminal carbon with -OH group and convert it into Butanol.

H₃C-CH₂-CH₂-CH₂-OH

The Boiling point of Butanol is 117.7 °C. This increase in boiling point is due to formation of hydrogen bondings between the molecules of Butanol.
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