Which of the following chemical equations does not represent a disproportionation reaction?
3HNO2(aq)→HNO3(aq)+2NO(g)+H2O(l)3\text{HNO}_2(\text{aq}) \rightarrow \text{HNO}_3(\text{aq}) + 2\text{NO}(\text{g}) + \text{H}_2\text{O}(\text{l})3HNO2(aq)→HNO3(aq)+2NO(g)+H2O(l)
IO3−(aq)+5I−(aq)+6H+(aq)→3I2(aq)+3H2O(l)\text{IO}_3^-(\text{aq}) + 5\text{I}^-(\text{aq}) + 6\text{H}^+(\text{aq}) \rightarrow 3\text{I}_2(\text{aq}) + 3\text{H}_2\text{O}(\text{l})IO3−(aq)+5I−(aq)+6H+(aq)→3I2(aq)+3H2O(l)
4KClO3(s)→3KClO4(s)+KCl(s)4\text{KClO}_3(\text{s}) \rightarrow 3\text{KClO}_4(\text{s}) + \text{KCl}(\text{s})4KClO3(s)→3KClO4(s)+KCl(s)
Cl2(aq)+2NaOH(aq)→NaCl(aq)+NaClO(aq)+H2O(l)\text{Cl}_2(\text{aq}) + 2\text{NaOH}(\text{aq}) \rightarrow \text{NaCl}(\text{aq}) + \text{NaClO}(\text{aq}) + \text{H}_2\text{O}(\text{l})Cl2(aq)+2NaOH(aq)→NaCl(aq)+NaClO(aq)+H2O(l)
