Which group 14 element forms a dioxide with the highest bond energy?
Bond energy in XO₂ decreases down group 14 due to weaker orbital overlap. CO₂ (C=O) has the highest bond energy compared to SiO₂, GeO₂, or SnO₂.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Nomenclature of Elements with Atomic Number >100