The oxoacid of sulphur which contains two sulphur atoms in different oxidation states is:

pyrosulphurous acid

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hyposulphurous acid

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pyrosulphuric acid

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persulphuric acid

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Solution

The correct option is A pyrosulphurous acid
The oxidation states of two $S$ atoms in pyrosulphurous acid are different i.e. $+ 3$ and $+ 5$ state.

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Similar questions

Which of the following oxy acid of sulphur has +6 oxidation state for sulphur?

S O_{4}^{2 -}

S_{2} O_{3}^{2 -}

S_{2} O_{3}^{2 -}

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