1.

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)

Answer»

I, II and III
II, I and III
II, III and I
I, III and II

Solution :`underset(I)(OH-OVERSET(O)overset(||)underset(O)underset(||)(S)-overset(O)overset(||)underset(O)underset(||)(S)-OH)``underset(II)(OH-overset(O)overset(||)underset(O)underset(||)(S)-OH)``underset(III)(HO-overset(O)overset(||)underset(O)underset(||)(S)-overset(O)overset(||)underset(..)(S)-OH`


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