Study figure 8-1. when the ionic compound ki is dissolved in water, the i- ions are pulled into the solution by the attraction between
a. the k+ and i- ions.
b. the k + ion and the negative end of the water molecule.
c. the i- ion and the negative end of a water molecule
d. the i- ion and the positive end of a water molecule

Answer is: D. The I⁻ ion and the positive end of a water molecule.

Dissociation of potassium iodide in water:

KI(aq) → K⁺(aq) + I⁻(aq).

Solvation is the interaction of solvent (water) with molecules or ions (in this example K⁺ and I⁻) in a solute.

Anion I⁻ has negative charge, so positive end (hydrogen atoms) of a water molecul attracts them.

Solvent (usually a liquid, but can also be a solid or a gas) is a substance that dissolves a solute.  

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