Question

(a) $H_{2}{\overset{+ 6}{S}}_{2}O_{7},Na_{2}{\overset{+ 2.5}{S}}_{4}O_{6},Na_{2}{\overset{+ 2}{S}}_{4}O_{3},{\overset{0}{S}}_{8}$ (b) $\overset{+ 4}{S}O^{2 +},\overset{+ 6}{S}O_{4}^{2 -},\overset{+ 4}{S}O_{3}^{2 -},H\overset{+ 4}{S}O_{4}^{-}$

(c) $H_{2}\overset{+ 6}{S}O_{5},H_{2}\overset{+ 4}{S}O_{3},\overset{+ 2}{S}C_{2},H_{2}\overset{- 2}{S}$ (d) $H_{2}\overset{+ 6}{S}O_{4},\overset{+ 4}{S}O_{2},H_{2}\overset{- 2}{S},H_{2}\overset{+ 6}{S_{2}}O_{8}$