Answer:
[tex]\Huge \boxed{\mathrm{C_2H_5OH}}[/tex]
Explanation:
CH₃OCH₃ (Dimethyl ether) has a boiling point of -23 °C
C₂H₅OH (Ethanol) has a boiling point of 78.37 °C
CH₃CH₂CH₃ (Propane) has a boiling point of -42 °C
CH₃CHO (Acetaldehyde) has a boiling point of 20.2 °C
C₂H₅OH (Ethanol) has the highest boiling point.
