Which of the following order of acidic streng | vedclass

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(D) The acidic strength of oxides increases as the non-metallic character increases across a period and decreases down a group. For non-metallic oxide

Vedclass · Accepted Answer

$SO_3 > CO_2 > B_2O_3$

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(D) The acidic strength of oxides increases as the non-metallic character increases across a period and decreases down a group. For non-metallic oxides,the acidic strength is directly proportional to the oxidation state of the central atom. Comparing the oxides: $SO_3$ (sulfur in $+6$ state),$CO_2$ (carbon in $+4$ state),and $B_2O_3$ (boron in $+3$ state). Since the oxidation state decreases from $S$ to $C$ to $B$,the acidic strength follows the order $SO_3 > CO_2 > B_2O_3$.

Which of the following order of acidic strength is correct?

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