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Most Important Selected Qs for JEE AdvancedChemistryp Block Elements (Group 15, 16, 17 & 18)

For the reaction: aligned & H ₃ PO ₄+ Ca ( OH )₂ & 1 ~mol 1 ~mol aligned CaHPO ₄+2 H ₂ O Which are true statements :

Options

  1. Aequivalent weight of H ₃ PO ₄ is 49
  2. Bresulting mixture is neutralised by 1 mol of KOH
  3. CCaHPO ₄ is an acid salt
  4. D1 ~mol ₂ of H ₃ PO ₄ is completely neutralised by 1.5 mol of Ca ( OH )₂ .

Correct answer

D. 1 ~mol ₂ of H ₃ PO ₄ is completely neutralised by 1.5 mol of Ca ( OH )₂ .

Step-by-step solution

aligned & H ₃ PO ₄+ Ca ( OH )₂ CaHPO ₄+2 H ₂ O & n-factor 2 aligned

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