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Strong reducing behaviour of H(3)PO(2) i...

Strong reducing behaviour of `H_(3)PO_(2)` is due to

A

low oxidation state of phosphorus

B

presence of two - OH groups and one P-H bond

C

presence of one - OH group and two P-H bonds

D

high electron gain enthalpy of phosphorus.

Text Solution

Verified by Experts

The correct Answer is:
C
`H_(3)PO_(2)` behaves as a stronger reducing agent as it contains two P-H bonds.
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Strong reducing behaviour of H_(3)PO_(4) is due to :

How do you account for reducing behaviour of H_(3)PO_(2) on the basis of its structure?

Good reducing nature of H_(3)PO_(2) is attributed to the presence of :

(a) Why does PCl_3 fume in moisture ? (b) Are all the five bonds in PCl_5 molecule equivalent ? Justify your answer. ( c) How do you account for the reducing behaviour of H_3 PO_2 on the basic of its structure ? (d) Give the disproportional reaction of H_3PO_3 .

Assertion : H_(3)PO_(2) has strong reducing property but H_(3)PO_(4) does not. Reason : P-OH bond present in H_(3)PO_(4) .

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