NEET2018Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

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:

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