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BITSAT 2023Paper 1
Exam
BITSAT
Year
2023
Paper
Paper 1
Subject
Chemistry
Chapter
s Block Elements

BITSAT 2023 · Paper 1 · Chemistry · s Block Elements

Which of the following will precipitate first when aqueous solution...

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

Options

  1. AMg2+\mathrm{Mg}^{2+}
  2. BCa2+\mathrm{Ca}^{2+}
  3. CSr2+\mathrm{Sr}^{2+}
  4. DBa2+\mathrm{Ba}^{2+}

Correct answer

D. Ba2+\mathrm{Ba}^{2+}

Step-by-step solution

Down the group solubility of sulphate decreases. Thus, Ba2+\mathrm{Ba}^{2+} ions will precipitate out most easily.
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