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Topic: Simple Redox Reactions  (Read 3102 times)

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Offline webbyz

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Simple Redox Reactions
« on: March 02, 2009, 05:01:09 AM »
Hello i was just wondering if someone would be able to help me out with this Chemistry question.

I can do all the others on the assignment but this one :(

Iodine is a reduced when it reacts with thiosulfate ion S2O3-2. The thiosulfate is oxidized to tetrathionate ion S4O6-2

If anyone could help me that would be great or at least point me in the right direction.

-Webbyz
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Offline Borek

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Re: Simple Redox Reactions
« Reply #1 on: March 02, 2009, 05:24:41 AM »
Where is the problem?

What is formula of iodne?

What can it be reduced to?
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Offline webbyz

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Re: Simple Redox Reactions
« Reply #2 on: March 02, 2009, 05:36:55 AM »
Iodine is reduced when it reacts with thiosulfate ion S2O3-2. The thiosulfate is oxidized to tetrathionate ion S4O6-2

I2 is my guess
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Offline AWK

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Re: Simple Redox Reactions
« Reply #3 on: March 02, 2009, 06:19:26 AM »
I2 + S2O32- = S4O62- + ?
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