What is the oxidation number of sulfur in H_2SO_5 ?

MHT CET 2023 Chemistry question

What is the oxidation number of sulfur in ?

(A)+4
(B)+6Correct
(C)+8
(D)+5

Answer: (B)

Solution

is peroxomonosulphuric acid (Caro's acid), , which contains one peroxide linkage (). Two of the five oxygen atoms are in the peroxide and have oxidation number ; the other three have . For the neutral

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Question ID VK-096381