Question

Identify the type of interactions involved in each of the following processes taking place during the dissolution of sodium chloride (NaCl) in water.

I. Solvent-solvent interactions
II. Solute-solute interactions
III. Solute-solvent interactions

A. Interactions between the ions of sodium chloride
B. Interactions involving dipole-dipole attractions
C. Interactions formed during hydration
D. Interactions involving ion-ion attractions
E. Interactions associated with an exothermic process during the dissolution of sodium chloride
F. Interactions between the water molecules
G. Interactions formed between the sodium ions and the oxygen atoms of water molecules

Answer 1

I) Solvent-solvent interactions involves B & F.

B. Interactions involving dipole-dipole attractions.

F. Interactions between the water molecules.

II) Solute-solute interactions involves A & D.

A. Interactions between the ions of sodium chloride.

D. Interactions involving ion-ion attractions.

III. Solute-solvent interactions involves G & C

G. Interactions formed between the sodium ions and the oxygen atoms of water molecules.

C. Interactions formed during hydration.