Common Ion Effect on AgCl Solubility
When solid NaCl is added to a saturated solution of AgCl, the solubility of AgCl decreases. A student incorrectly attributes this change to the presence of Na⁺ ions. Which statement provides the correct explanation for this observation?
A
The decrease in AgCl solubility is due to the common ion effect of Cl- ions, not Na+ ions.
B
The presence of Na+ ions has no effect on the solubility of AgCl.
C
The Na+ ions increase the solubility of AgCl, not decrease it.
D
The decrease in solubility is due to an increase in the solution’s temperature.
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