MDCAT Chemistry MCQ #5397

During a qualitative analysis, a student adds dilute H2SO4 to various Group IIA nitrates. Which metal ion produces the most insoluble sulfate precipitate?

MDCAT Chemistry MCQ #5397

  1. Question 1

    Q1. During a qualitative analysis, a student adds dilute H2SO4 to various Group IIA nitrates. Which metal ion produces the most insoluble sulfate precipitate?

    • A) Magnesium sulfate
    • B) Calcium sulfate
    • C) Strontium sulfate
    • D) Barium sulfate

    Answer: Barium sulfate

    Explanation: Barium sulfate is highly insoluble due to high lattice energy; Magnesium sulfate is tempting but it is actually highly soluble.