1.

In the above set of redox reactions, where MnO_(4)^(-1)is the only oxidising agent, order of the required molar quantities of the reducing agents is :

Answer»

`n_(1) LT n_(2) lt n_(3)`
`n_(2) lt n_(1) lt n_(3)`
`n_(1) lt n_(3) lt n_(2)`
`n_(2) lt n_(3) lt n_(1)`

Solution :For fixed quantity of `MnO_(4)^(-1)` the MOLAR quantity of the reducing AGENTS will be inversely proportional to their n-factor `(n_(f))`
`{:(n_(f),FeSO_(4),Na_(2)C_(2)O_(4),FeC_(2)O_(4)),(,1,2,3):}`
`therefore` ORDER : `n_(2) lt n_(1) lt n_(3)`


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