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NEET2015Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Strong reducing behaviour of H 3 P O 2 is due to:

Options

  1. APresence of one -OH group and two p - H bonds
  2. BHigh electron gain enthalpy of phosphorus
  3. CHigh oxidation state of phosphorus
  4. DPresence of two -OH groups and one p - H bond

Correct answer

A. Presence of one -OH group and two p - H bonds

Step-by-step solution

All oxy-acid of phosphorus which contain P - H bond act as reductant. Presence of one -OH group and two P - H bonds.

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