A) \[{{S}_{2}}O_{7}^{2-}\]
B) \[{{S}_{4}}O_{6}^{2-}\]
C) \[{{S}_{2}}O_{4}^{2-}\]
D) \[{{S}_{2}}O_{3}^{2-}\]
Correct Answer: A
Solution :
\[{{S}_{2}}O_{7}^{2-}\]has \[\bar{O}-\underset{O}{\overset{O}{\mathop{\underset{||}{\overset{||}{\mathop{S}}}\,}}}\,-O-\underset{O}{\overset{O}{\mathop{\underset{||}{\overset{||}{\mathop{S}}}\,}}}\,-\bar{O}\]structure. \[{{S}_{2}}O_{4}^{2-}\]has \[\bar{O}-\underset{O}{\mathop{\underset{||}{\mathop{S}}\,}}\,-\underset{O}{\mathop{\underset{||}{\mathop{S}}\,}}\,-\bar{O}\]structure. \[{{S}_{4}}O_{6}^{2-}\]has \[O-\underset{O}{\overset{O}{\mathop{\underset{||}{\overset{||}{\mathop{S}}}\,}}}\,-S-S-\underset{O}{\overset{O}{\mathop{\underset{||}{\overset{||}{\mathop{S}}}\,}}}\,-O\]structure. \[{{S}_{2}}O_{3}^{2-}\]has \[\bar{S}-\underset{O}{\overset{O}{\mathop{\underset{||}{\overset{||}{\mathop{S}}}\,}}}\,-\bar{O}\]structure
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