1.

The species which undergo disproprotionation in alkaline medium is/are 1. Cl_(2) 2. MnO_(4)^(-) 3. NO_(2) 4. ClO_(4)^(-) The correct statement is/ are

Answer»

`Cl_(2)`
`MnO_(4)^(-)`
`NO_(2)`
`ClO_(4)^(-)`

Solution :`OVERSET((0))(Cl_(2))-2NaOH to Na overset((-1))(CL)+NaO overwset((+1))(Cl)+H_(2)O`
`overset((+4))(NO_(2))+2NaOH to Na overset((+3))(NO_(2))+Na overset((+5))(NO_(3))+H_(2)O`
In a disproportionation reaction, same ATOM, ion or molecule is simultaneously oxidized and and reduced.


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