Question

The expression for the solubility product of $A{g}_{2}C{O}_3$ will be :

• A. $K_{sp}=s^2$
• B. $K_{sp}=4s^3$
• C. $K_{sp}=27s^4$
• D. $K_{sp}=s$

Answer 1

Answer: (B)

$A{g}_{2}C{O}_3\rightleftharpoons \underset{\text{2s}}{2Ag}+\underset{s}{C{O}_3^{2-}}$
$K_{sp}=(2s{)}^2\times s=4s^3$