MHT CET Chemistry question

ChemistryThe p-Block ElementsMHT CET

The oxoacids of S having SS bond is/are I. II. III. IV. Choose the correct option.

Answer: (A)

Solution

Dithionous acid (I) and dithionic acid (III) contain an S-S bond, whereas pyrosulphuric acid (II) has an S-O-S link,

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Question ID VK-071497