A) \[NaCl\] is an ionic compound
B) soap is insoluble in the presence of chloride ions
C) the solubility product of \[NaCl\] decreases in the presence of soap.
D) the solubility of the soap is exceeded due to the increased concentration of \[N{{a}^{+}}\] ions.
Correct Answer: D
Solution :
\[\underset{Soap}{\mathop{RCOONa}}\,RCO{{O}^{-}}+N{{a}^{+}}\] On adding \[NaCl,\]\[[N{{a}^{+}}]\] increases. Hence, ionic product of \[[RCO{{O}^{-}}]\,\,[N{{a}^{+}}]\] exceeds the solubility product.
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