MCQ
Consider
The correct order of their acidity is 
- ✓$II > I > III > IV$
- B$II > III > I > IV$
- C$IV > III > IV > I$
- DNone of these
The correct order of their acidity is 

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$(B)$ $I _{2}+ H _{2} O _{2}+2 OH ^{-} \rightarrow 2 I ^{-}+2 H _{2} O + O _{2}$
Choose the correct option.
