Answer :
Ethanol → due to Shony hydrogenbend
Acetone → dipole-dipole
Ethene → weak dispersion force
(A) CH3 CHâ‚‚OH > CH3 CO CH3> CHâ‚‚ = CHâ‚‚
(B) CH3 CHâ‚‚OH = 1.1X10-3
value of velocity
Acetone (Châ‚‚ Co. (Mg) = 0.31x10-3 CHâ‚‚ = Châ‚‚ 10-6
CHâ‚‚ CHâ‚‚OH > CH3 COCHz > 01â‚‚ = CH2
(C) CH3 CHâ‚‚-OH > CHâ‚‚ (OCHâ‚‚ > CKâ‚‚ = (Hâ‚‚
Velocity and Surface Tension & Intermolecular force
The higher the number of hydroxyl groups, the higher the surface tension. Compounds with large surface areas have high intermolecular forces. Therefore, molecules with higher intermolecular forces have higher viscosity. Diethyl ether has the highest vapor pressure and therefore the lowest surface tension.
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