Question

3. Considering intermolecular forces, which of the following liquids has the highest vapour pressure: acetone, methanol, wate
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Answer #1


ethyl ether


reason
vapor pressure is the pressure exerted by gas molecules at a particular
temperature. The compounds having strong intermolecular forces
will have tendency to remain is liquid state , since they have
to overcome intermolecular forces to escape in to gaseous state
So weaker the intermolecular force , higher will be the vapor pressure
ethanol ,methanol, water have Hydrogen bonds hence have
strong intermolecular force and low V.P
Acetone has stronger dipole force than ether , due to this V.P
of ether is highest

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