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

$Ag _{2} C _{2} O _{4}$ के संतृप्त विलयन में $Ag ^{+}$ आयन की सान्द्रता $2.2 \times 10^{-4} mol L ^{-1}$ है। $Ag _{2} C _{2} O _{4}$ का विलेयता गुणनफल है

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

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