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Topic: Redox  (Read 2433 times)

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Offline red.orchid

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Redox
« on: July 12, 2011, 11:37:54 PM »
This is just a general question. If the atom does not change in oxidation number, can it still be counted as being oxidized?

2PbS (s) + 3O2(g) ---> 2PbO(s) + 2SO2(g)

In this case, the oxidation number for Pb is +2 on either side...BUT PbS is the reducing agent in this case, and Pb gains an O...

Is Pb oxidized?
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Offline Hunter2

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Re: Redox
« Reply #1 on: July 13, 2011, 12:58:47 AM »
No. The lead isn't changed. But what about the sulfur? Check it!
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Offline AWK

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Re: Redox
« Reply #2 on: July 13, 2011, 03:50:48 AM »
and oxygen!
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AWK

Offline Hunter2

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Re: Redox
« Reply #3 on: July 13, 2011, 05:30:11 AM »
Oxygen, sure
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