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Which of the following reaction is not a
P disproportionation reaction?

W
(1) \( \mathrm{Br}_{2}+\mathrm{CO}_{3}^{2-}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{Br}^{-}+\mathrm{BrO}_{3}^{-}+\mathrm{HCO}_{3}^{-} \)
(2) \( \mathrm{P}_{4}+\mathrm{OH}^{-}+\mathrm{H}_{2} \mathrm{O} \rightarrow \mathrm{PH}_{3}+\mathrm{H}_{2} \mathrm{PO}_{2}^{-} \)
(3) \( \mathrm{H}_{2} \mathrm{~S}+\mathrm{SO}_{2} \rightarrow \mathrm{S}+\mathrm{H}_{2} \mathrm{O} \)
(4) \( \mathrm{H}_{2} \mathrm{O}_{2} \rightarrow \mathrm{H}_{2} \mathrm{O}+\mathrm{O}_{2} \)
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