Question

The ionization energy of nitrogen is larger than that of oxygen because of :

• A. Greater attraction of electrons by the nucleus
• B. The size of nitrogen atom being smaller
• C. The half-filled p-orbitals possess extra stability
• D. Greater penetration effect

Answer 1

Answer: (C)

The half-filled p-orbitals possess extra stability

Answer 2

I.P. of $\begin{matrix} N > O \end{matrix}$

Half filled p-orbitals has extra stability