GKFix MCQ Question

What is the primary reason for the HNH bond angle being larger than HPH, HAsH, and HSbH angles?

• A. Larger atomic size of nitrogen.
• B. Greater electronegativity of nitrogen leads to increased repulsion and sp³ hybridization.
• C. Presence of d-orbitals in phosphorus.
• D. Similar electronegativity across the group.