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Question: Answered & Verified by Expert
If the concentration of $\mathrm{OH}^{-}$ions in the reaction $\mathrm{Fe}(\mathrm{OH})_3(\mathrm{~s}) \rightleftharpoons \mathrm{Fe}^{3+}(\mathrm{aq})+3 \mathrm{OH}^{-}(\mathrm{aq})$ is decreased by $\frac{1}{4}$ times, then equilibrium concentration of $\mathrm{Fe}^{3+}$ will increase by
ChemistryChemical EquilibriumNEETNEET 2008 (Mains)
Options:
  • A 4 times
  • B 8 times
  • C 16 times
  • D 64 times
Solution:
1126 Upvotes Verified Answer
The correct answer is: 64 times
To maintain the constant value of $\mathrm{K}_c$, the concentration of $\mathrm{Fe}^{3+}$ ion will increase by 64 times.

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