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

$Ba{(N{O_3})_2}$ विलयन में $Ba{F_2}$ की विलेयता को सान्द्रण के किन पदों द्वारा प्रदर्शित किया जायेगा

A

$[B{a^{ + 2 }}]$

B

$[{F^ - }]$

C

$\frac{1}{2}[{F^ - }]$

D

$2\,[NO_3^ - ]$

Solution

Let s be the solubility of $BaF _2$ in $BaNO _3$ solution.

The expression for the solubility product is given by,

$K _{ sp }=\left[ Ba ^{2+}\right]\left[ F ^{-}\right]^2$

The concentration of fluoride ions in the solution is as follows:

$\left[ F ^{-}\right]=2 s$

Thus, $s=\frac{1}{2}\left[ F ^{-}\right]$

Standard 11
Chemistry

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