Question

Oxidation number of S in $H_{2}S{O}_5$ is 6. This is observed because:

• A. there are five oxygen atom in molecule
• B. the hydrogen atom is directly linked with non-metal
• C. there is peroxide linkage in the molecule
• D. the sulphur atom shows co-ordinate linkage

Answer 1

Answer: (C)

there is peroxide linkage in the molecule

H${}_{2}S{O}_5$

The O.S of S sulphur is +6. This is because there is a peroxide link in the molecule.

O

||

HO-S-O-O-H

|| [Peroxide link]

O