Given the distribution of charges shown in this water molecule, why is it called polar?

Of the substances Xe, CH3Cl, and HF, which has:(a) The smallest dipole–dipole forces?

1,3-Propanediol can form intramolecular as well as intermolecular hydrogen bonds. Draw a structure of 1,3-propanediol showing an intramolecular hydrogen bond.

Dimethyl ether has the following structure.

(b) Which of the following illustrations depicts the hydrogen bonding that occurs between dimethyl ether and water? (i)

(ii)

Propanol (PrOH) and methyl methacrylate (MMA) asso-ciate in solution by an intermolecular force, forming an adduct represented as PrOH•MMA. The equilibrium con- stant for the association reaction is Kc = 0.701 at 298 K. (b) Draw a plausible structure for the PrOH • MMA adduct. Use to signify an intermolecular interaction.