1.

Electrolysis of a solution of MnSO_(4) in aqueous sulphuric acid is a method for the preparation of MnO_(2). Passig a curret of 27 A for 24 hours gives 1 kg of MnO_(2). The current efficiency in this process is:

Answer»

`100%`
`95.185%`
`80%`
`82.951%`

SOLUTION :`(1000xx2)/((55+32))=(27xx24xx3600xxeta)/(96500)` or `eta=0.951=95.1%`


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