Refer to the Table Below

question 206

Multiple Choice

Refer to the table below. Which statement explains reasons for differences in the heat of vaporization for these compounds?

• A) Methane has the lowest heat of vaporization because its molecules experience no intermolecular forces of attraction.
• B) Water has the highest heat of vaporization because it is the smallest in mass and physical size.
• C) Both acetone and water have higher heat of vaporization compared with methane because both are polar molecules capable of hydrogen bonding.
• D) Water has a higher heat of vaporization compared with acetone and methane because it is a polar molecule and the other two are not.
• E) Water has the highest heat of vaporization because it is the only compound that is both polar and capable of forming hydrogen bonds.

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