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← ScienceWhich consequence results when an ionic compound dissolves in polar solvent with low dielectric constant?
A)Increased ion pair formation reducing conductivity✓
B)Complete dissociation forming free solvated ions
C)Exothermic reaction as lattice energy stabilizes ions
D)Reduced solubility due to solvent-ion repulsion
💡 Explanation
When an ionic compound dissolves in a polar solvent with a low dielectric constant, increased Coulombic attraction occurs because the solvent poorly shields ions, leading to more ion pair formation and reduced conductivity. Therefore, increased ion pair formation results, rather than complete dissociation, exothermic dissolution, or reduced solubility requiring favorable ion-solvent interactions.
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