JIPMER2018Chemistryp Block Elements (Group 15, 16, 17 & 18)
Among the following, the correct formula of Marshall's acid is
Options
- AH ₂ ~S ₂ O ₆
- BH ₂ ~S ₂ O ₈
- CH ₂ SO ₄
- DH ₂ SO ₅
Correct answer
B. H ₂ ~S ₂ O ₈
Step-by-step solution
The correct formula of Marshall's acid is H ₂ ~S ₂ O ₈ . It is known as peroxodisulphuric acid having sulphur ( S ) in +6 oxidation state. The structure of this acid is shown below: