MHT CET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which among the group -15 elements does NOT exist as tetra atomic molecule?
- A Nitrogen
- B Phosphorus
- C Arsenic
- D Antimony
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
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