$Ag_2C_2O_4$ ના સંતૃપ્ત દ્રાવણમાં $Ag^+$ ની સાંદ્રતા $2.2 \times 10^{-4}\, mol\, L^{-1}$ છે. તો $Ag_2C_2O_4$ નો દ્રાવ્યતા ગુણાકાર જણાવો.

Question

NEET 2017, Medium

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Solution

c
$\mathrm{Ag}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \rightleftharpoons 2 \mathrm{Ag}^{+}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}$

$\quad \quad \quad 2.2 \times 10^{-4} \mathrm{M} \quad 1.1 \times 10^{-4} \mathrm{M}$

$\mathrm{K}_{\mathrm{sp}}=\left[\mathrm{Ag}^{+}\right]^{2}\left[\mathrm{C}_{2} \mathrm{O}_{4}^{2-}\right]$

$=\left[2.2 \times 10^{-4}\right]^{2} \cdot\left[1.1 \times 10^{-4}\right]$

$\mathrm{K}_{\mathrm{sp}}=5.3 \times 10^{-12}$

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