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Which of the following ions is most likely to form an insoluble sulfate?

A) K⁺
B) Li⁺
C) Ca²⁺
D) S²⁻
E) C¹⁻

User Snopzer
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1 Answer

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Final answer:

The calcium ion (Ca²⁺) is the most likely to form an insoluble sulfate according to solubility rules.

Step-by-step explanation:

The student asked which of the following ions is most likely to form an insoluble sulfate? The options provided were A) K⁺ B) Li⁺ C) Ca²⁺ D) S²⁵ E) C¹⁵.

According to solubility rules, sulfates (SO4²⁵) are generally soluble except when paired with certain divalent cations such as Ca²⁺ (calcium), Sr²⁺ (strontium), and Ba²⁺ (barium).

Thus, the calcium ion (Ca²⁺) is the most likely to form an insoluble sulfate.

The ion most likely to form an insoluble sulfate is Ca²+. According to the solubility rules, sulfates (SO²-) are generally soluble except when they are formed with calcium (Ca²+), strontium (Sr²+), and barium (Ba²+).

These divalent cations form insoluble sulfates. Therefore, among the given options, Ca²+ is the ion most likely to form an insoluble sulfate.

User Felixyz
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