Why does nitrogen show anomalous properties with respect to other elements in group 15?(a) Nitrogen has low ionization enthalpy(b) Nitrogen atomhas high inter-electronic repulsions(c) Nitrogen molecule bears a triple bond(d) Absence of vacant d-orbitalsI had been asked this question in an interview for internship.Origin of the question is P-Block Elements topic in portion P-Block Elements of Chemistry – Class 12

Why does nitrogen show anomalous properties with respect to other elem

1.	Why does nitrogen show anomalous properties with respect to other elements in group 15?(a) Nitrogen has low ionization enthalpy(b) Nitrogen atomhas high inter-electronic repulsions(c) Nitrogen molecule bears a triple bond(d) Absence of vacant d-orbitalsI had been asked this question in an interview for internship.Origin of the question is P-Block Elements topic in portion P-Block Elements of Chemistry – Class 12
Answer» Right answer is (d) Absence of VACANT d-orbitals Explanation: Nitrogen shows ANOMALOUS properties compared to other elements of GROUP 15 because of the absence of vacant d-orbitals. In addition to this, anomalous properties are a result of nitrogen ATOM’s smaller size, highest electronegativity and highest ionization ENERGY with respect to all the elements in group 15.

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