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← ScienceWhich outcome arises when NaCl solution vaporizes rapidly?
A)Ion pairing increases dramatically✓
B)Covalent character becomes dominant
C)Electrostatic repulsion intensifies
D)Hydrogen bonding becomes significant
💡 Explanation
As NaCl solution vaporizes, the water is removed, curtailing ion solvation shells; the increased concentration causes **ion pairing** because electrostatic attraction overwhelms dispersion forces. Therefore, ion pairing is promoted rather than covalent character dominating in the gas-phase.
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