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JEE Main202118 Mar 2021Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is:

Options

  1. A3
  2. B0
  3. C2
  4. D1

Correct answer

C. 2

Step-by-step solution

PCl 3 + H 3 PO 3 +   2 H 2 O → H 4 P 2 O 5 + 3 HCl

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