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JEE Main20199 Jan 2019Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Good reducing nature of H 3 P O 2 is attributed to the presence of:

Options

  1. AOne P - H bond
  2. BTwo P - O H bonds
  3. CTwo P - H bond
  4. DOne P - O H bond

Correct answer

C. Two P - H bond

Step-by-step solution

The hydrogen atoms in O H bond are ionizable and are acidic whereas the hydrogen atoms in P - H bonds have reducing property. There are two such P - H bonds in Hypophosphours acid.

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