Question

Oxidation number of sulphur in peroxomonosulphuric acid $\left( H_{2}SO_{5} \right)$is.

• A. +4
• B. +2
• C. +6
• D. -2

Answer 1

Answer: (C)

+6

Answer 2

: $H_{2}SO_{5}$

Oxidation number of O in peroxo linkage = - 1

Oxidation number of other O atoms = - 2

+ 2 + x – 6 – 2 = 0 or x = + 6