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6-2.Equilibrium-II (Ionic Equilibrium)
medium
$Ag_2C_2O_4$ ના સંતૃપ્ત દ્રાવણમાં $Ag^+$ ની સાંદ્રતા $2.2 \times 10^{-4}\, mol\, L^{-1}$ છે. તો $Ag_2C_2O_4$ નો દ્રાવ્યતા ગુણાકાર જણાવો.
A
$2.66 \times 10^{-12}$
B
$4.5 \times 10^{-11}$
C
$5.3 \times 10^{-12}$
D
$2.42 \times 10^{-8}$
(NEET-2017)
Solution
$\mathrm{Ag}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \rightleftharpoons 2 \mathrm{Ag}^{+}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}$
$\quad \quad \quad 2.2 \times 10^{-4} \mathrm{M} \quad 1.1 \times 10^{-4} \mathrm{M}$
$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ag}^{+}\right]^{2}\left[\mathrm{C}_{2} \mathrm{O}_{4}^{2-}\right]$
$=\left[2.2 \times 10^{-4}\right]^{2} \cdot\left[1.1 \times 10^{-4}\right]$
$\mathrm{K}_{\mathrm{sp}}=5.3 \times 10^{-12}$
Standard 11
Chemistry
