platinum
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annikaying
- Posts: 94
- Joined: Sat Sep 14, 2019 12:16 am
platinum
In homework question 6L.5 part b, only one of the half reactions doesn't include a solid. However in the back of the book it says that both sides of the cell diagram include platinum and I was wondering why?
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AArmellini_1I
- Posts: 107
- Joined: Fri Aug 09, 2019 12:15 am
Re: platinum
It's because the solid on the anode side is iodine which is not a metal. You need a solid metal to conduct electricity and thus allow for the movement of electrons
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eduardomorales5
- Posts: 77
- Joined: Fri Aug 30, 2019 12:15 am
Re: platinum
If the compounds in the redox reaction are in aqueous or gaseous form, they need a conductor to help with the movement of electrons from one cell to the other. Platinum Pt(s) is a common conductor that can be used.
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