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AP EAMCET202419 May 2024Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

The disproportionation products of ortho phosphorous acid are

Options

  1. AH ₃ PO ₄ ; PH ₃
  2. BH ₃ PO ₂, H ₃ PO ₃
  3. CH ₃ PO ₄, HPO ₃
  4. DH ₃ PO ₂, P ₂ H ₄

Correct answer

A. H ₃ PO ₄ ; PH ₃

Step-by-step solution

Orthophosphorous acid on heating disproportionate to give orthophosphoric acid and phosphine. 4 H ₃ PO ₃ 3 H ₃ PO ₄+ PH ₃

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