Question

The most polarisable ion among the following is

• A. $F^{-}$
• B. $I^{-}$
• C. $N{a}^{+}$
• D. $C{l}^{-}$

Answer 1

Answer: (B)

Among anions with same charge, the one having greatest size has maximum polarisability. Thus, $I^{-}$ ion having most polarisability.