What is the basicity of orthophosphoric acid?

Dhanalakshmi · July 12, 2019, 6:17am

What is the basicity of orthophosphoric acid? Draw the structure of pyrosulphuric acid. Ammonia forms hydrogen bonds but not phosphene. Why

Dhanalakshmi · July 12, 2019, 6:18am

Orthophosphoric acid has basisity 3.
Pyrosulfuric acid is H₂S₂O₇.
For a comparision we are providing structures of oxyacids of sulfur.