Question

Explain why the solubility of hydroxides of transition metal is greater than their iodides.​

Answer 1

Answer:

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The rule of thumb for hydroxide salts is actually that all hydroxides are insoluble save those of the alkali metals and the heavier alkaline earth metals (namely Ca2+CaX2+, Sr2+Sr2+, and Ba2+Ba2+). There are many resources you can look up to check the solubility rules of certain ions, this one, for example.

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Answer 2

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The rule of thumb for hydroxide salts is actually that all hydroxides are insoluble save those of the alkali metals and the heavier alkaline earth metals (namely Ca2+CaX2+, Sr2+Sr2+, and Ba2+Ba2+). There are many resources you can look up to check the solubility rules of certain ions, this one, for example.