Questions: Is Zn(OH)₂ soluble or insoluble?

Is Zn(OH)₂ soluble or insoluble?
Transcript text: Is $\mathrm{Zn}(\mathrm{OH})_2$ soluble or insoluble?
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Solution

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Solution Steps

Step 1: Understanding Solubility Rules

To determine the solubility of a compound, we need to refer to general solubility rules. These rules help predict whether a compound will dissolve in water.

Step 2: Applying Solubility Rules to Zinc Hydroxide

Zinc hydroxide, \(\text{Zn(OH)}_2\), is a hydroxide compound. According to solubility rules, most hydroxides are insoluble in water, with exceptions for those of alkali metals (e.g., \(\text{NaOH}\), \(\text{KOH}\)) and \(\text{Ba(OH)}_2\).

Step 3: Conclusion Based on Solubility Rules

Since \(\text{Zn(OH)}_2\) is not one of the exceptions, it is considered insoluble in water.

Final Answer

\(\boxed{\text{Insoluble}}\)

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