Identify the correct sequence of increas...

Identify the correct sequence of increasing number of `pi`-bonds in the structure of the following molecules:
(I)`H_(2)S_(2)O_(6)` (II)`H_(2)S_(2)O_(3)` (III)`H_(2)S_(2)S_(5)`

A

`I lt II lt III`

B

`II lt III lt I`

C

`II lt I lt III`

D

`I lt III lt II`

Verified by Experts

The correct Answer is:

B

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