Question

when is a cation highly polarizing?​

Answer 1

When the size of cation is small then its polarising power is high, also when its charge is more and if it has pseudo noble gas configuration then its polarising power is high



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Answer 2

If the degree of polarization is quite small, an ionic bond is formed, while if the degree of polarization is large, a covalent bond results. The ability of a cation to distort an anion is known as its polarization power and the tendency of the anion to become polarized by the cation is known as its polarizability.