Gujarati
6-2.Equilibrium-II (Ionic Equilibrium)
medium

$PbC{l_2}$ की विलयेता है

A

$\sqrt {{K_{sp}}} $

B

$^3\sqrt {{K_{sp}}} $

C

$^3\sqrt {\frac{{{K_{sp}}}}{4}} $

D

$\sqrt {8{K_{sp}}} $

Solution

(c) $PbC{l_2} ⇌\mathop {P{b^{2 + }}}\limits_{S\,\,} + \mathop {2C{l^ – }}\limits_{S\,\,} $

$PbC{l_2}$ का ${K_{sp}}$ $ = [P{b^{2 + }}] \times {[C{l^ – }]^2}$ ;${K_{sp}} = S \times {(2S)^2}$

${K_{sp}} = S \times 4{S^2}$$ = 4{S^3}$; ${S^3} = \frac{{{K_{sp}}}}{4}$; $S = \sqrt[3]{{\frac{{{K_{sp}}}}{4}}}$

Standard 11
Chemistry

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