Advertisement Remove all ads

How Many Hours Does It Take to Reduce 3 Moles of `Fe^(3+)`To `Fe^(2+)` with 2.0 a Current Intensity? - Chemistry (Theory)

How many hours does it take to reduce 3 moles of `Fe^(3+)`to `Fe^(2+)` with 2.0 A Current intensity?

Advertisement Remove all ads

Solution

`Fe^(3+) + e^(-) -> Fe^(2+)`

∵ for 1 mole of `Fe^(3+)`,  1 mole of `e^(-)` is required

∴ for 3 moles of `Fe^(3+)`, 3 moles of `e^(-)` are required

`∴ 3e^(-) = 3F = 3 xx 96500C`

`Q = I xx t`

`3 xx 96500 = 2 xx t`

`:. t = (3 xx96500)/(2 xx 3600)`

t = 40.2 hrs

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×