Each of the Following Substances Is a Liquid at -50 ^$\circ$

question 113

Multiple Choice

Each of the following substances is a liquid at -50 ^$\circ$ C. Place these liquids in order of increasing vapor pressure: dimethyl ether (CH₃OCH₃) , propane (C₃H₈) , and ethanol (CH₃CH₂OH) _.

• A) ethanol < propane < dimethyl ether
• B) ethanol < dimethyl ether < propane
• C) propane < dimethyl ether < ethanol
• D) dimethyl ether < ethanol < propane
• E) propane < ethanol < dimethyl ether

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