Inert Electrodes

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Lily Guo 1D
Posts: 64
Joined: Fri Sep 29, 2017 7:03 am

Inert Electrodes

Postby Lily Guo 1D » Sat Mar 17, 2018 8:37 pm

When do you need an inert electrode? If you have an inert electrode, do you put it on both sides of a cell diagram or just one?

Andres Reynoso 1J
Posts: 30
Joined: Fri Sep 29, 2017 7:06 am

Re: Inert Electrodes

Postby Andres Reynoso 1J » Sat Mar 17, 2018 8:53 pm

You need to add an inert electrode, such as platinum (Pt), when there are no other conducive metals in a half reaction in order to allow current to flow through the cell. You'd just need to add the electrode to the side that doesn't have a solid metal e.g. Zn(s) | Zn2+(aq) || Sn4+(aq),Sn2+(aq) | Pt(s)

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