Mole ConceptMedium
Question
Which of the following reaction is not a disproportionation reaction?
Options
A.$Br_{2} + CO_{3}^{2 -} + H_{2}O \rightarrow Br^{-} + BrO_{3}^{-} + HCO_{3}^{-}$
B.$P_{4} + OH^{-} + H_{2}O \rightarrow PH_{3} + H_{2}PO_{2}^{-}$
C.$H_{2}S + SO_{2} \rightarrow S + H_{2}O$
D.$H_{2}O_{2} \rightarrow H_{2}O + O_{2}$
Solution
$H_{2}S + SO_{2} \rightarrow S + H_{2}O$
Same element but belonging to different molecule undergoes oxidation and reduction and hence, it is not disproportionation. In fact, it is comproportionation.
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