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Which 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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