The p-Block Elements · JEE Preparation Chemistry

Which of the following elements shows maximum tendency to form ppi-ppi multiple bonds with itself and with other elements of small size and high elec…

Practice question from The p-Block Elements (JEE Preparation Chemistry), with the correct answer and a step-by-step solution.

easy · MCQ · Q-446A92

Which of the following elements shows maximum tendency to form pπ−pπp\pi-p\pi multiple bonds with itself and with other elements of small size and high electronegativity?

  1. A.Phosphorus
  2. B.NitrogenCorrect answer
  3. C.Arsenic
  4. D.Antimony

Solution

Nitrogen has a small size and high electronegativity, which gives it a unique ability to form pπ−pπp\pi-p\pi multiple bonds with itself and with other elements (like carbon and oxygen). Heavier elements of group 15 do not form pπ−pπp\pi-p\pi bonds because their atomic orbitals are too large and diffuse.

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