Consider the Following Liquids with Similar Molar Masses

question 122

Multiple Choice

Consider the following liquids with similar molar masses.Predict which liquid has the weakest intermolecular attraction based on surface tension data.

• A)butyl alcohol (surface tension @ 20 °C = 25 dynes/cm)
• B)ethyl ether (surface tension @ 20 °C = 17 dynes/cm)
• C)ethyl formate (surface tension @ 20 °C = 24 dynes/cm)
• D)propionic acid (surface tension @ 20 °C = 27 dynes/cm)
• E)propyl chloride (surface tension @ 20 °C = 18 dynes/cm)

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