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TS EAMCET · Chemistry · s Block Elements

The compound formed when gypsum is dissolved in aqueous ammonium sulphate solution, is

  1. A \(\mathrm{CaSO}_4 \cdot \mathrm{NH}_4 \mathrm{Cl} \cdot \mathrm{H}_2 \mathrm{O}\)
  2. B \(\mathrm{CaCl}_2 \cdot\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot \mathrm{H}_2 \mathrm{O}\)
  3. C \(\mathrm{CaSO}_4\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}\)
  4. D \(\mathrm{CaCl}_2 \cdot \mathrm{NH}_4 \mathrm{Cl} \cdot 2 \mathrm{H}_2 \mathrm{O}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\mathrm{CaSO}_4\left(\mathrm{NH}_4\right)_2 \mathrm{SO}_4 \cdot 2 \mathrm{H}_2 \mathrm{O}\)

Step-by-step Solution

Detailed explanation

The compound formed when gypsum is dissolved in aqueous ammonium sulphate solution, is