A) \[(mol.\,\,wt.\,=M)\]
B) \[SO_{4}^{2-}\]
C) \[{{S}_{4}}O_{6}^{2-}\]
D) \[{{S}_{2}}O_{6}^{2-}\]
Correct Answer: C
Solution :
\[2{{S}_{2}}O_{3}^{2-}+{{I}_{2}}\to {{S}_{4}}O_{6}^{2-}+2{{I}^{-}}\].
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