Question

Increasing order of solubility of AgCl in (i) H$_2$O, (ii) 1M NaCl (aq.), (iii) 1M CaCl$_2$ (aq.), and (iv) 1M NaNO$_3$ (aq.) solution

• A. CaCl$_2$ $<$ NaNO$_3$ $<$ NaCl $<$ H$_2$O
• B. CaCl$_2$ $>$ H$_2$O $>$ NaCl $>$ NaNO$_3$
• C. CaCl$_2$ $>$ NaCl $>$ H$_2$O $>$ NaNO$_3$
• D. CaCl$_2$ $<$ NaCl $<$ H$_2$O $<$ NaNO$_3$

Hint:

Solubility rules: \begin{itemize} \item Common ion $\downarrow$ solubility \item Higher concentration common ion $\Rightarrow$ stronger effect \item Inert salts may increase solubility via ionic strength \end{itemize}

Answer 1

The Correct Option is D