Platinum (s)

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Henry Krasner 1C
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Joined: Fri Sep 28, 2018 12:15 am

Platinum (s)

Postby Henry Krasner 1C » Sun Feb 24, 2019 12:57 pm

How do we know when we are supposed to add Pt(s) to a cell diagram?

Posts: 58
Joined: Fri Sep 28, 2018 12:26 am

Re: Platinum (s)

Postby harshitasarambale4I » Sun Feb 24, 2019 1:17 pm

I was confused about that. In the 6th edition for 14.13, the solutions manual didn't use platinum for the reaction with nickel and zinc but used it in part b for the reaction between I and Ce, and also between H and Cl.

caseygilles 1E
Posts: 73
Joined: Fri Sep 28, 2018 12:18 am

Re: Platinum (s)

Postby caseygilles 1E » Sun Feb 24, 2019 4:42 pm

We use platinum in the reaction when our half reactions have no conducting solids (such as iron and copper redox) because platinum can be used as an inert conductor, an electrode to transfer electrons.

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