AMU Medical AMU Solved Paper-2014

  • question_answer
    There are no S?S bond in

    A)  \[{{S}_{2}}O_{4}^{2-}\]                

    B)  \[{{S}_{2}}O_{5}^{2-}\] 

    C)  \[{{S}_{2}}O_{3}^{2-}\]                

    D)  \[{{S}_{2}}O_{7}^{2-}\]

    Correct Answer: D

    Solution :

                    \[\left[ \underset{{{S}_{2}}{{O}_{4}}^{2-}}{\mathop{^{-}O-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{S}}\,-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{S}}\,-{{O}^{-}}}}\, \right]\]                \[\underset{{{S}_{2}}{{O}_{5}}^{2-}}{\mathop{\left[ ^{-}O-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{S}}\,}}\,-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{S}}\,-{{O}^{-}} \right]}}\,\] \[\underset{{{S}_{2}}{{O}_{7}}^{2-}}{\mathop{\left[ O=\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  || \\  {{O}^{-}} \end{smallmatrix}}{\mathop{S}}\,}}\,-\overset{\begin{smallmatrix}  O \\  || \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  || \\  {{O}^{-}} \end{smallmatrix}}{\mathop{S}}\,}}\,=O \right]}}\,\]


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