Formula of $P y r o s u l p h u r i c A c i d$ is:

H_{2} S_{2} O_{7}

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H_{2} S O_{5}

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H_{2} S_{2} O_{8}

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None of these

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Solution

The correct option is A $H_{2} S_{2} O_{7}$
Disulfuric acid or pyrosulfuric acid is an oxoacid of sulphur It is a major constituent of fuming sulfuric acid, oleum and its chemical formula is $H_{2} S_{2} O_{7}$
Hence option A is correct.

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Similar questions

H_{3} P O_{5}, H_{2} S O_{5}, H_{2} S_{2} O_{7}, H_{2} S_{2} O_{8}, H C l O_{4}

H_{2} S O_{5}, H_{2} S_{2} O_{8} :

H_{2} S_{2} O_{3}, H_{2} S_{4} O_{6}, H_{2} S O_{5}

H_{2} S_{2} O_{8}

H_{2} S_{2} O_{8}, H_{2} S O_{5}, H_{2} S_{2} O_{7}, H_{2} S_{2} O_{3}

H_{2} S_{2} O_{8}

H_{2} S O_{5}

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