The central atoms or ions in a coordination entity behaves as:
Lewis Base
Lewis Acid
Arrhenius Acid
Bronsted Acid
As we learnt in
Coordination Entity -
Comparises of a central metal atom or ion bonded to a fixed no of ions or molecules
- wherein
eg:
Coordination entity
According to the Lewis theory of acids and bases, an entity that accepts a pair of electrons acts as an acid. The central atoms form coordinate bonds and accept pair of electrons.
Option 1)
Lewis Base
This answer is incorrect
Option 2)
Lewis Acid
This answer is correct
Option 3)
Arrhenius Acid
This answer is incorrect
Option 4)
Bronsted Acid
This answer is incorrect