Which oxide of a group 14 element is predominantly covalent and acidic?
In group 14, CO₂ (from C) is covalent and acidic, reacting with bases to form carbonates, unlike SiO₂ (covalent but less acidic), GeO₂, or SnO₂ (amphoteric).
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Electronic Configuration and Types of Elements - s p d f Blocks