Question:

Which of the following statements are not true for phosphorus ?

Updated On: Jul 7, 2022
  • Phosphorus is a non-metal
  • It exists as a tetrahedral molecular solid
  • Phosphorus is less reactive than nitrogen
  • P-P bond is much weaker than N=N bond
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The Correct Option is C

Solution and Explanation

Actually Nitrogen is inert (due to greater bond order and bond dissociation energy) and is less reactive than phosphorus which is reactive
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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: