Identify the correct sequence of increasing number of π-bond... — Chemistry | Mockzy | Mockzy

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Identify the correct sequence of increasing number of π-bonds in the structures of the following molecules :

(I) H₂S₂O₆ (II) H₂SO₃(III) H₂S₂O₅

A

I, II, III

B

II, III, I

C

II, I, III

D

I, III, II

the product D is an

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