{K_{sp}} value of Al,{(OH)₃} and Zn,{(OH)₂} are 8.5 × {10^{ - 23}} and 1.8 × {10^{ - 14}} resp

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6-2.Equilibrium-II (Ionic Equilibrium)

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${K_{sp}}$ value of $Al\,{(OH)_3}$ and $Zn\,{(OH)_2}$ are $8.5 \times {10^{ - 23}}$ and $1.8 \times {10^{ - 14}}$ respectively. If $N{H_4}OH$ is added in a solution of $A{l^{3 + }}$ and $Z{n^{2 + }},$ which will precipitate earlier

A

$Al\,{(OH)_3}$

B

$Zn\,{(OH)_2}$

C

Both together

D

None

Solution

(a)Solubility of $Al{(OH)_3}$ is lesser than $Zn{(OH)_2}$.

Standard 11

Chemistry

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