APFIVE Ionic Properties and Hydration Energy
Experimental data indicate that smaller ions with higher charges have more negative hydration energies. Which of the following statements best explains this observation?
A
The hydration energy is determined solely by the size of the ion, with charge having no significant influence on the energy observed.
B
Higher charge density leads to stronger electrostatic attractions with water molecules, resulting in more negative hydration energies.
C
The experimental data are inconclusive, and no reliable relationship between ionic size, charge, and hydration energy can be established.
D
Ions with lower charges actually exhibit greater negative hydration energies due to reduced electrostatic repulsion in aqueous solutions.
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