First slide

Oxoacids of phosphorous Names & Structures

Question

Strong reducing behaviour of $H_{3} {PO}_{2}$ is due to

Easy

A

High electron gain enthalpy of phosphorus
B

High oxidation state of phosphorus
C

Presence of two -OH groups and one P - H bond
D

Presence of one - OH group and P - H bonds.

Solution

All oxyacids of phosphorus which have P - H bonds act as strong reducing agents. $H_{3} {PO}_{2}$ has two P - H bonds hence, it acts as a strong reducing aqent.

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