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19. Indicate the type of solute-solvent interaction that is most important in each of the

following solutions:
a KBr in water
b hexane, C6 H14, in gasoline
c ammonia in water�

a ion-dipole interaction

b dispersion forces
c hydrogen bonding

Did you know?

Did you know that different types of solute-solvent interactions can have varying degrees of importance in different solutions? In the case of a KBr (potassium bromide) solution in water, the most important interaction is ion-dipole, where the positively charged potassium ions and negatively charged bromide ions interact with the polar water molecules. In the case of hexane, C6 H14, in gasoline, the most important interaction is dispersion forces, where the nonpolar hexane molecules interact with the nonpolar gasoline molecules through temporary induced dipoles. Finally, in the case of ammonia in water, the most important interaction is hydrogen bonding, where the ammonia molecules, which have a hydrogen atom bonded to a highly electronegative nitrogen atom, interact with the polar water molecules through hydrogen bonds. These varying interactions play a crucial role in determining the properties and behavior of different solutions.