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MHT CET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Which among the group -15 elements does NOT exist as tetra atomic molecule?

  1. A Nitrogen
  2. B Phosphorus
  3. C Arsenic
  4. D Antimony
Verified Solution

Answer & Solution

Correct Answer

(A) Nitrogen

Step-by-step Solution

Detailed explanation

Nitrogen differs from the rest of the members of this group due to its smaller size, high electronegativity, high ionization enthalpy and non-availability of d orbitals. Nitrogen has unique ability to form P π − P π  multiple bonds with itself and with other elements having a small size and high electronegativity (e.g., C ,O). Heavier elements of this group do not form P π − P π bonds as their atomic orbitals are so large and diffuse that they cannot have effective overlapping