NaCl dissolves quickly in water due to:
Correct answer: A. Low EF
- A. Low EF
- B. High EF
- C. EF=0
- D. EF= infinty
Explanation
The solubility of NaCl in water is due to the interaction between the ionic bonds in NaCl and the polar water molecules. Here's the reasoning:Electrostatic Force (EF):In NaCl, the electrostatic force between Na⁺ and Cl⁻ ions is strong, but not infinite. If the EF were infinitely strong, the ions would not separate and dissolve in water.Water's Polar Nature:Water is a highly polar solvent. Its partial positive (H) and partial negative (O) ends interact with the Na⁺ and Cl⁻ ions, reducing the electrostatic force between the ions.Low EF Enables Dissolution:When NaCl is placed in water, the polar water molecules surround the Na⁺ and Cl⁻ ions (hydration process), effectively lowering the electrostatic force between them and allowing the ions to disperse in solution.Conclusion:NaCl dissolves quickly in water because the electrostatic force (EF) between Na⁺ and Cl⁻ is low enough to be overcome by the hydration process facilitated by water molecules.
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About Lattice Energy
Lattice energy describes the energy released when gaseous ions form one mole of an ionic solid, or the energy required to separate that solid into gaseous ions, depending on the convention used. Its value depends mainly on ionic charge and radius and is calculated through Born-Haber cycles.
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