A) chlorine is more electropositive.
B) iodine and bromine are of large size.
C) iodine and bromine are unable to oxidise Pb to \[P{{b}^{4+}}\]
D) The statement is wrong.
Correct Answer: C
Solution :
Iodine and bromine are unable to oxidize Pb to \[P{{b}^{4+}}\] On account of inert pair effect the stable oxidation state of Pb is +2. So \[P{{b}^{4+}}\] acts as oxidising agent and oxidises \[{{I}^{-}}\] and \[B{{r}^{-}}\] to \[{{I}_{2}}\] and \[B{{r}_{2}}\] respectively and itself reduced to
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