Which of the following is the most basic oxid | vedclass

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(B) The basic character of oxides increases as the metallic character of the central atom increases down a group. $SeO_2$ is an acidic oxide because $

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$Bi_2O_3$

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(B) The basic character of oxides increases as the metallic character of the central atom increases down a group. $SeO_2$ is an acidic oxide because $Se$ is a non-metal. $Al_2O_3$ is amphoteric. Between $Sb_2O_3$ and $Bi_2O_3$,both are oxides of Group $15$ elements. As we move down the group from $Sb$ to $Bi$,the metallic character increases,which leads to an increase in the basic nature of the oxides. Therefore,$Bi_2O_3$ is the most basic oxide among the given options.

Which of the following is the most basic oxide?

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