A) anode (\[+\] plate)
B) cathode (\[-\] plate)
C) both [a] and [b]
D) none of these
Correct Answer: A
Solution :
[a] In alkaline medium \[Sn{{O}_{2}}\] is converted into negatively charged colloidal sol \[Sn{{O}_{2}}+2O{{H}^{-}}\xrightarrow{{}}SnO_{3}^{2-}+{{H}_{2}}O\] Thus, [a]You need to login to perform this action.
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