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6-2.Equilibrium-II (Ionic Equilibrium)
hard
${M_2}{X_3}$ ક્ષારની દ્રાવ્યતા $y\,\,mol\,d{m^{ - 3}}$ છે. ક્ષારનો દ્રાવ્યતા ગુણાકાર ....... હશે?
A
$6{y^4}$
B
$64{y^4}$
C
$36{y^5}$
D
$108{y^5}$
(IIT-1990) (IIT-1997)
Solution
(d) $\mathop {{M_2}{X_3}}\limits_{{K_{sp}}} ⇌\mathop {2{M^{ 3 + }}}\limits_{{{(2y)}^2}} $+$\mathop {3{X^{ – – }}}\limits_{{{(3y)}^3}} $
Solubility product ${K_{sp}} = 108{y^5}\,mol\frac{d}{{{m^3}}}$
Standard 11
Chemistry