Q.
Identify the correct sequence of increasing number of $\pi$-bonds in structure of following molecules
(I) $H_{2}S_{2}O_{6}$
(II) $H_{2}SO_{3}$
(III) $H_{2}S_{2}O_{5}$
The p-Block Elements - Part2
Solution:
Correct answer is (b) $II, III, I$