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(A) The acidic strength of oxides increases as the non-metallic character increases across a period or as the oxidation state of the central atom incr

Vedclass · Accepted Answer

$Cl_2O_7 > SO_2 > P_4O_{10}$

Vedclass · Answer

(A) The acidic strength of oxides increases as the non-metallic character increases across a period or as the oxidation state of the central atom increases. For option $A$: $Cl_2O_7$ ($Cl$ is $+7$),$SO_2$ ($S$ is $+4$),$P_4O_{10}$ ($P$ is $+5$). The order of electronegativity and oxidation state supports $Cl_2O_7 > SO_2 > P_4O_{10}$. In general,non-metallic oxides are acidic,and their acidity increases with the oxidation state of the central atom. $Cl_2O_7$ is a strong acidic oxide,while $P_4O_{10}$ is less acidic than $SO_2$ due to the lower oxidation state and lower electronegativity of $P$ compared to $S$ and $Cl$.

Which of the following represents the correct order of acidic strength?

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