A) \[{{K}^{+}}+[Sn{{O}_{2}}]\,{{[Sn{{O}_{3}}]}^{-}}\]
B) \[{{K}^{+}}+{{[Sn{{O}_{2}}\cdot x{{H}_{2}}O]}^{-}}OH\]
C) \[2\,{{K}^{+}}[Sn{{O}_{2}}]\,SnO_{3}^{2-}\]
D) \[{{K}^{+}}+[SnO_{2}^{-1}]\]
Correct Answer: C
Solution :
\[Sn{{O}_{2}}\] is converted into \[SnO_{3}^{2-}\] by \[\overline{O}H\] ions. \[Sn{{O}_{2}}+2O{{H}^{-}}\xrightarrow{\,}\,SnO_{3}^{2-}+{{H}_{2}}O\] \[Sn{{O}_{2}}+SnO_{3}^{2-}\xrightarrow{\,}[Sn{{O}_{2}}]\,SnO_{3}^{2-}\]
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