Which of the following oxides is least acidic | vedclass

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(C) The acidic character of oxides depends on the oxidation state of the central atom and its position in the periodic table.$1$. Acidic character inc

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$As_4O_6$

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(C) The acidic character of oxides depends on the oxidation state of the central atom and its position in the periodic table.$1$. Acidic character increases with an increase in the oxidation state of the central atom.$2$. Acidic character decreases down the group as the metallic character increases.Comparing the oxidation states: $P$ in $P_4O_6$ is $+3$,$P$ in $P_4O_{10}$ is $+5$,$As$ in $As_4O_6$ is $+3$,and $As$ in $As_4O_{10}$ is $+5$.Since $As$ is less electronegative than $P$,the oxides of $As$ are less acidic than the corresponding oxides of $P$.Among the given options,$As_4O_6$ has the lowest oxidation state $(+3)$ and belongs to a lower period than $P$,making it the least acidic.

Which of the following oxides is least acidic?

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