Which element in group 13 has the highest tendency to form covalent compounds due to its polarizing power?
Polarizing power increases with smaller size and higher charge density. B³⁺ (smallest in group 13) has the highest tendency to form covalent compounds (e.g., BF₃) compared to Al, Ga, or In.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Anomalous Properties and Second Period and Chemical Reactivity