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AP EAMCET2011ChemistryRedox Reactions

The volume in mL of 0.1 M solution of NaOH required to completely neutralise 100 ~mL of 0.3 M solution of H ₃ PO ₃ is

Options

  1. A60
  2. B600
  3. C300
  4. D30

Correct answer

B. 600

Step-by-step solution

Phosphorus acid ( H ₃ PO ₃ ) is a dibasic acid. aligned 0.3 M H ₃ PO ₃ & =0.6 ~N H ₃ PO ₃ N₁ V₁ & =N₂ V₂ 0.1 V₁ & =0.6 100 V₁ & =600 ~mL aligned

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