Which Pair of Ions Would Not Be Expected to Form

question 81

Multiple Choice

Which pair of ions would not be expected to form a precipitate when dilute solutions of each are mixed?

• A) Ni²⁺, SO₄^2-
• B) Ni²⁺, S^2-
• C) Cu²⁺, OH^-
• D) Co²⁺, PO₄^3-​
• E) Ag+, Cl-

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