Q94 E
Question
Which is a stronger acid, sulfurous acid or sulfuric acid? Why?
Step-by-Step Solution
Verified Answer
\({\rm{SO}}_4^ - \) is the stronger acid because of stability\({\rm{SO}}_4^ - \)of ion.
1Step 1: To find the stronger acid.
\({{\rm{H}}_2}{\rm{S}}{{\rm{O}}_4}\) is much stronger acid then the \({{\rm{H}}_2}{\rm{S}}{{\rm{O}}_3}\) because there is an extra double bonded oxygen atom on the sulfur atom in sulfuric acid.
The unprotonated \(O\)helps with delocalization of electron in deprotonated ion making the\(SO_4^{2 - }\)ion more stable than the\(SO_3^{2 - }\)ion.
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