First slide

Solubility product(KSP)

Question

In which of the following solutions, the solubility of AgCl will be maximum ?

Easy

A

0.1 M AgNO₃
B

0.1 M AgCl
C

water
D

NH₃

Solution

$\large AgCl\left( s \right) \rightleftharpoons AgCl\left( {aq} \right)\xrightarrow{{}}A{g^ + }\left( {aq} \right) + C{l^ - }\left( {aq} \right)$

When NH₃ is added to such an equilibrium, Ag⁺ (aq) are removed due to the formation of blue colored complex via the following reaction.

${Ag}_{(aq)}^{+} + 2 {NH}_{3} ⇌ {[Ag {({NH}_{3})}_{2}]}_{(aq)}^{+}$
The above equilibrium is largely fovoured forward.

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