Which of the following oxoacids of sulphur contains a characteristic peroxide () linkage bridging tw — p Block Elements Chemistry Question
Question
Which of the following oxoacids of sulphur contains a characteristic peroxide ($-O-O-$) linkage bridging two central sulphur atoms?
Answer: C
💡 Solution & Explanation
Marshall's acid, formally known as Peroxodisulphuric acid ($H_2S_2O_8$), is formed by linking two $SO_3H$ fragments via a central peroxide bridge ($S-O-O-S$). Caro's acid has a peroxide linkage but only one sulphur center.
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