12. Which of the following reactions is not correct?
(a) \( 2 F _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 F ^{-}+ O _{2} \)
(b) \( 2 I _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 I ^{-}+ O _{2} \)
(c) \( Cl _{2}+ H _{2} O \rightarrow HCl + HOCl \)
(d) \( Br _{2}+ H _{2} O \rightarrow HBr + HOBr \)