| \[\mathbf{I}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{\text{6}}}\] |
| \[\mathbf{II}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{3}}\] |
| \[\mathbf{III}\]\[{{\text{H}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{5}}\] |
A) I, II and III
B) II, I and III
C) II, III and I
D) I, III and II
Correct Answer: C
Solution :
(I)\[\text{HO-}\underset{\begin{smallmatrix} \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \\ \text{O} \end{smallmatrix}}{\overset{\begin{smallmatrix} \text{O} \\ \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{S}}}}\,\text{-}\underset{\begin{smallmatrix} \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \\ \text{O} \end{smallmatrix}}{\overset{\begin{smallmatrix} \text{O} \\ \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{S}}}}\,\text{-OH}\] (II)\[\text{HO-}\underset{\begin{smallmatrix} \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \\ \text{O} \end{smallmatrix}}{\overset{\begin{smallmatrix} \text{S} \\ \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{S}}}}\,\text{-OH}\] (I) (II) (III)\[\text{HO-}\underset{\begin{smallmatrix} \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \\ \text{O} \end{smallmatrix}}{\overset{\begin{smallmatrix} \text{S} \\ \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{S}}}}\,\text{-}\underset{\begin{smallmatrix} \bullet \,\bullet \\ \end{smallmatrix}}{\overset{\begin{smallmatrix} \text{O} \\ \text{ }\!\!|\!\!\text{ }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{S}}}}\,\text{-OH}\] (III)
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