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Polarisibility of halide ions increases in the order

Option: 1

F^{-}, I^{-}, B r^{-}, C l^{-}


Option: 2

\mathrm{Cl}^{-}, B r^{-}, I^{-}, F^{-}


Option: 3

I^{-}, B r^{-}, C l^{-}, F^{-}


Option: 4

F^{-}, C l^{-}, B r^{-}, I^-


Answers (1)

Polarisability of any anion is dependant on its size and charge.

Greater the size, greater is the polarisability

Greater the charge, greater is the polarisability

Hence, the correct answer is Option (4)

Posted by

Sumit Saini

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