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antslayer
antslayer asked in Science & MathematicsChemistry · 9 years ago

Solubility of group 2 hydroxides?

My olevel chem guidebook says that only calcium and magnesium hydroxides are sparingly soluble. ( did not say anything else about other group 2 metals). However,

http://www.chemguide.co.uk/inorganic/group2/solubi...

says that the hydroxides become more soluble as you go down the group.

So which is correct?

Update:

@plays_poorly

Does that mean that "the bigger the cation, the more loosely the OH- ions are bound"= more soluble?

Thanks for answering :)

1 Answer

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  • plays_poorly...
    Lv 7
    9 years ago
    Favorite Answer

    The book is correct; the bigger the cation, the more loosely the OH- ions are bound.

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