Chemistry - Redox Reactions Question with Solution | TestHub

Phosphonic acid (${\text{H}}_3\text{P}{\text{O}}_3)$

Phosphinic acid$\left({\text{H}}_3\text{P}{\text{O}}_2\right)$

Pyrophosphorus acid$\left({\text{H}}_4{\text{P}}_2{\text{O}}_5\right)$

Orthophosphoric acid$\left({\text{H}}_3\text{P}{\text{O}}_4\right)$