Question

Salts of alkaline earth metals are less soluble than salts of alkali metals because?

a. a higher anion charge concentrated on the smaller anions makes it hard to pull apart ionic lattices

b. a higher anion charge concentrated on the smaller anions makes it easier to pull apart ionic lattices

c. a higher cation charge concentrated on the smaller cations makes it hard to pull apart ionic lattices

d. a higher cation charge concentrated on the smaller cations makes it easier to pull apart ionic lattices

Answer 1

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Alkaline earth metal salts are less soluble than those of the alkali metals because a higher cation charge concentrated on smaller cations makes it hard to pull apart ionic lattices.