Asked by Jake
Which of the following compounds has the highest vapor pressure at 25°C?
A. CH3CH2OH
B. CH3OCH3
C. CH3CH2CH2Cl
D. CH3CH2CH3
E. CH3CH2CH2CH
A. CH3CH2OH
B. CH3OCH3
C. CH3CH2CH2Cl
D. CH3CH2CH3
E. CH3CH2CH2CH
Answers
Answered by
DrBob222
Generally, increased molar mass increases boiling point and decreases vapor pressure. Therefore, the highest vapor pressure should be due to the molecule with the lowest molar mass.
Answered by
DrBob222
Also, look at hydrogen bonding if the molar mass is the same or close to the same.
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