Question:
The number of ionisable hydrogens present in the product obtained from a reaction of phosphorus trichloride and phosphonic acid is:
Correct Option: , 3
Solution:
$\mathrm{PCl}_{3}+\mathrm{H}_{3} \mathrm{PO}_{3} \rightarrow \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{5}$
