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Ionic Equilibrum question

2020 · Q108
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Ionic Equilibrum question

2020 · Q108

NEETChemistryIonic EquilibrumMCQ+4 / −1
Find out the solubility of Ni(OH)2 in 0.1M NaOH. Given that the ionic product of Ni(OH)2 is 2 ×\times× 10-15.
  1. A
    2 ×\times× 10-8 M
  2. B
    1 ×\times× 10-13 M
  3. C
    1 ×\times× 108 M
  4. D
    2 ×\times× 10-13 M
View written solutionFree

Correct answer: D

NEET 2020 Phase 1 Chemistry - Ionic Equilibrium Question 9 English Explanation


Total [OH- ] = 2s + 0.1 ≃\simeq≃ 0.1

Ionic product = [Ni2+][OH-]2

⇒\Rightarrow⇒ 2 ×\times× 10-15 = s(0.1)2

⇒\Rightarrow⇒ s = 2 ×\times× 10-13

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