Consider the following sulphur based oxoacids. \(H_2SO_3,H_2SO_4,H_2S_2O_8 \)and \(H_2S_2O_7\) Amongst these oxoacids, the number of those with peroxo (O–O) bonds is_____.
To determine which of the given sulphur-based oxoacids contain peroxo (O–O) bonds, we must analyze their structural formulas:
\(H_2SO_3\) (Sulfurous acid): This compound has the structure where sulfur is bonded to three oxygen atoms with single and double bonds, but no O–O bond is present.
\(H_2SO_4\) (Sulfuric acid): Sulfur forms double bonds with two oxygen atoms and single bonds with two hydroxyl groups. There is no O–O bond.
\(H_2S_2O_8\) (Peroxodisulfuric acid or Marshall's acid): This compound contains an O–O single bond. Its structural formula includes a direct O–O linkage, characteristic of peroxo bonds.
\(H_2S_2O_7\) (Pyrosulfuric acid): Also known as oleum, it does not contain an O–O bond; instead, sulfur atoms are linked through an oxygen atom but not forming any O–O linkage.
From the analysis, only \(H_2S_2O_8\) has a peroxo bond.
Thus, the number of oxoacids with peroxo bonds is 1. This matches the given range of (1,1).
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So, the answer is 1.
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Top Questions on Chemical bonding and molecular structure
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