Phosphorus forms a number of oxoacids. Out of these oxoacids, phosphinic acid has strong reducing property. Write its structure and also write a reaction showing its reducing behaviour.


Among various forms of oxoacids, phosphinic acid has stronger reducing property.
Reaction showing reducing behaviour of phosphinic acid is as follows
4AgNO3+2H2O+ H3PO2  4Ag + 4HNO3 + H3PO4