Good reducing nature of is attributed to the presence of :
One-P-H bond
Two P - OH bonds
One P-OH bond
Two P-H bonds
Reducing power of Hydride -
HI>HBr>HCl>HF
- wherein
Increases down the group
Phosphorus Acid -
H3PO3 (+3), dibasic
- wherein
H3PO2 is a good reducing agent due to presence of two P-H bonds.
One-P-H bond
Option 2)Two P - OH bonds
Option 3)One P-OH bond
Option 4)Two P-H bonds
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