Published by:
CGP EDU Academic Team
Published on: August 12, 2026
In an ionic compound 
, the degree of covalent bonding is greater when
A
and 
ions are small
B
is small and 
is large
C
and 
ions are approximately of the same size
D
is small and 
is large
Text Solution
Verified by ExpertsThe correct answer is:
B
Due to Fajan's rule, according to which the cation distorts the electron cloud of the
anion and pulls the electron density towards itself. Thus, it introduces some covalent character in the ionic bond. Now, the smaller the cation, greater will be its polarizability.
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