Question

Phosphorus has the oxidation number +III in the following compounds:
a. Zn2P2O7
b. KH2PO2
c. (NH4)2HPO3 d. FePO4
e. CaHPO3
f. HPO3
g. Ca3(PO4)2
h. PH3

Answer 1

hi friends

you ans (b)

holp it help you