When given a skeletal equation of a cell reaction, how do you know whether or not to include Pt? And which side would you include it on?
For example, in 6L5 why does a) Ni2+ +Zn -> Ni + Zn2+ not include platinum when b) Ce4+ + I- -> I2 +Ce3+ does
Pt in cell diagram
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Marni Kahn 1A
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Re: Pt in cell diagram
You include Pt when there is no other ironically conducting solid to transport electrons. Pt as a solid is included on either end of the cell diagram, as solids are typically on the end of the cell diagrams.
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