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