Question:

Good reducing nature of ${H_3PO_2}$ ttributed to the presence of:

Updated On: Aug 17, 2024
  • One P-OH bond
  • One P-H bond
  • Two P-H bonds
  • Two P-OH bonds
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The Correct Option is C

Solution and Explanation

${H3PO2}$ is good reducing agent due to presence of two P-H bonds.
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Concepts Used:

P-Block Elements

  • P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
  • P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.

P block elements consist of: