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Question

Strong reducing behaviour of H3PO2 is due to:
  1. high electron gain enthalpy of phosphorus
  2. high oxidation state of phosphorus
  3. presence of two -OH groups and one P - H bond
  4. presence of one - OH group and two P - H bonds

A
presence of two -OH groups and one P - H bond
B
high electron gain enthalpy of phosphorus
C
high oxidation state of phosphorus
D
presence of one - OH group and two P - H bonds
Solution
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Strong reducing behavior of H3PO2 is due to the presence of one - OH group and two P - H bonds.

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