6-2.Equilibrium-II (Ionic Equilibrium)
easy

${A}_{3} {~B}_{2}$ એ મોલર દળ ${M}\left({g} \,{mol}^{-1}\right)$નું થોડું દ્રાવ્ય ક્ષારછે અને દ્રાવ્યતા  ${x}\, {g}\, {L}^{-1}$. દ્રાવ્યતા ગુણાકાર ${K}_{{sp}}=a\left(\frac{{x}}{{M}}\right)^{5}$ને સંતોષે છે.$a$નું મૂલ્ય $.......$ છે.

A

$18$

B

$150$

C

$308$

D

$108$

(JEE MAIN-2021)

Solution

${A}_{3} {~B}_{2}({~s}) \rightleftharpoons 3 {~A}_{({xa})}^{+2}+2 {~B}_{(4)}^{-3}$

$\quad\quad\quad\quad\quad\quad3 {~s}\quad\quad \quad 2 {~s}$

${~K}_{{sp}}=(3 {~s})^{3}(2 {~s})^{2}$

${~K}_{{SP}}=108 {~S}^{5} \& {~s}=({X} / {M})$

${K}_{{SP}}=108\left(\frac{{x}}{{m}}\right)^{5}$

$\text { given } {K}_{{SP}}={a}\left(\frac{{x}}{{m}}\right)^{5}$

comparing a $=108$

Standard 11
Chemistry

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