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BITSAT Chemistry s Block Elements 2023 BITSAT 2023 (Memory Based Paper 1)

BITSAT Chemistry Question (2023) — Solution

Question

Which of the following will precipitate first when aqueous solution containing sulphate ions are added?

Options

  1. A. Mg ^ 2+
  2. B. Ca ^ 2+
  3. C. Sr ^ 2+
  4. D. Ba ^ 2+

Answer

D. Ba ^ 2+

Step-by-step solution

Down the group solubility of sulphate decreases. Thus, Ba ^ 2+ ions will precipitate out most easily.

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