A) \[A{{g}^{+}}\] has half-filled d-orbital
B) \[A{{g}^{+}}\]polarises \[B{{r}^{-}}\] and \[{{I}^{-}}\]
C) \[A{{g}^{+}}\]depolarises \[B{{r}^{-}}\] and \[{{I}^{-}}\]
D) None is correct
Correct Answer: B
Solution :
[b] \[AgCl,NaCl,NaBr,\] NaI less polarization, more ionic, colourless \[AgBr,AgI\] more polarization, less ionic, more covalent, coloured.
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