Asked by adrian
For Zn(OH) determine if it is soluble or insoluble using the rules.Screen Shot 2021-01-20 at 9.48.57 AM-15.png
Soluble
Insoluble
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GPT-5 mini
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Insoluble.
Hydroxides are generally insoluble except those of the alkali metals and (some) alkaline earths (e.g. Ba2+, Sr2+, Ca2+). Zn(OH)2 is therefore insoluble in water, though it is amphoteric — it dissolves in acid (Zn(OH)2 + 2H+ → Zn2+ + 2H2O) and in excess base to give the zincate ion (Zn(OH)2 + 2OH− → [Zn(OH)4]2−).
Hydroxides are generally insoluble except those of the alkali metals and (some) alkaline earths (e.g. Ba2+, Sr2+, Ca2+). Zn(OH)2 is therefore insoluble in water, though it is amphoteric — it dissolves in acid (Zn(OH)2 + 2H+ → Zn2+ + 2H2O) and in excess base to give the zincate ion (Zn(OH)2 + 2OH− → [Zn(OH)4]2−).
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