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Topic: Electrolysis of Sodium Hydroxide  (Read 10984 times)

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lordofdarkness

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Electrolysis of Sodium Hydroxide
« on: May 28, 2005, 12:30:10 AM »
Hello
What are the products of the electrolysis of NAOH???
OH doesnt exist as a gas though so i dont know

Mr. Pink

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Re:Electrolysis of Sodium Hydroxide
« Reply #1 on: May 28, 2005, 01:45:14 AM »
Metallic sodium and O2 on one end, H on the other. i think.

Offline xiankai

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Re:Electrolysis of Sodium Hydroxide
« Reply #2 on: May 28, 2005, 05:20:58 AM »
hydrogen is displaced instead of sodium, and the net equation at the anode (where OH- is oxidised) is:

4OH- --> 2H2O + O2 +4e-

thx for reminding about those electrons :S
« Last Edit: May 28, 2005, 05:44:54 AM by xiankai »
one learns best by teaching

Offline Borek

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Re:Electrolysis of Sodium Hydroxide
« Reply #3 on: May 28, 2005, 05:36:14 AM »
You are right, but add electrons to balance charge.
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