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

$0.1\, M$ દ્રાવણ ઉમેરતા, $Na_2SO_4$ દ્રાવણમાં દરેક $[Ag^+], [Ba^{2+}], [Ca^{2+}]$ના ક્યાં ઘટકો પ્રથમ અવક્ષેપિત છે ?

$[K_{sp}\, BaSO_4 = 10^{-11}, K_{sp}\, CaSO_4 = 10^{-6}, K_{sp}\,Ag_2SO_4 = 10^{-5}]$

A

$Ag_2SO_4$

B

$BaSO_4$

C

$CaSO_4$

D

આપેલ બધાં

(AIIMS-2008)

Solution

The species having minimum value of $K_{sp}$ will get precipitated first of all because ionic product will exceed the solubility product of such a species. The $K_{sp}$ value is minimum for $BaSO_4(10^{-11})$, so, $BaSO_4$ will get precipitated first of all.

Standard 11
Chemistry

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