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← ScienceWhich outcome during salt dissolution involves lattice enthalpy?
A)Exothermic hydration surpasses lattice energy✓
B)Increased ion mobility lowers resistivity
C)Covalent bond cleaving requires energy
D)Hydrogen bonds restructure liquid network
💡 Explanation
When an ionic compound dissolves, exothermic hydration must exceed the lattice enthalpy, which is an endothermic process (lattice energy). This is because the solution will cool slightly, rather than the other options, which affect different compounds or solution properties.
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