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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
${K_{sp}}$ 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
  • ✓
    $Al\,{(OH)_3}$
  • B
    $Zn\,{(OH)_2}$
  • C
    Both together
  • D
    None
✓

Answer

Correct option: A.
$Al\,{(OH)_3}$
(a)Solubility of $Al{(OH)_3}$ is lesser than $Zn{(OH)_2}$.

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