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MHT CET202124 Sep 2021Evening ShiftChemistryIonic EquilibriumActual

The solubility product expression for Ca ₃ ( PO ₄ )₂ is represented as

Options

  1. AK _ sp = [ Ca ²⁺ ]^2 [ PO ₄ ³⁻ ]^2
  2. BK _ sp = [ Ca ²⁺ ]^3 [ PO ₄ ³⁻ ]^2
  3. CK _ sp = [ Ca ²⁺ ] [ PO ₄ ²⁻ ]^3
  4. DK _ sp = [ Ca ²⁺ ] [ PO ₄ ²⁻ ]

Correct answer

B. K _ sp = [ Ca ²⁺ ]^3 [ PO ₄ ³⁻ ]^2

Step-by-step solution

aligned & Ca ₃ ( PO ₄ )_ 2( ~s ) 3 Ca _ ( aq ) ²⁺+2 PO _ 4( aq ) ³⁻ & K _ sp = [ Ca ²⁺ ]^3 [ PO ₄³⁻ ]^2 aligned

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