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Identify the correct sequence of increas...

Identify the correct sequence of increasing number of `pi-bonds` in strcutures of the following molecules.
(I) `H_2 S_2 O_6`
(II) `H_2 SO_3`
(III) `H_2 S_2 O_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`

Text Solution

Verified by Experts

The correct Answer is:
B
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