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AIIMS2006ChemistryIonic Equilibrium

Assertion : Sb ₂ ~S ₃ is not soluble in yellow ammonium sulphide. Reason : The common ion effect due to S ²⁻ ions reduces the solubility of Sb ₂ ~S ₃ .

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of the assertion
  2. BIf both assertion and reason are true but reason is not the correct explanation of the assertion
  3. CIf assertion is true, but reason is false
  4. DBoth assertion and reason are false statements.

Correct answer

D. Both assertion and reason are false statements.

Step-by-step solution

Sb ₂ ~S ₃ is soluble in yellow ammonium sulphide. Sb ₂ ~S ₃+3 ( NH ₄ )₂ ~S 2 ( NH ₄ )₃ SbS ₃ The stability of sulphides increases with increase in atomic number of the element.

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