Which of the following oxides is strongly bas | vedclass

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(D) In Group $13$ elements,the metallic character increases down the group as the ionization energy decreases.$B_2O_3$ is acidic,$Al_2O_3$ and $Ga_2O_

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$Tl_2O_3$

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(D) In Group $13$ elements,the metallic character increases down the group as the ionization energy decreases.$B_2O_3$ is acidic,$Al_2O_3$ and $Ga_2O_3$ are amphoteric,while $In_2O_3$ and $Tl_2O_3$ are basic.Among the given options,$Tl_2O_3$ is the most metallic and thus exhibits the strongest basic character.The correct sequence of increasing basic strength is $B_2O_3 < Al_2O_3 < Ga_2O_3 < In_2O_3 < Tl_2O_3$.

Which of the following oxides is strongly basic?

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