Electrolysis of Sodium Chloride

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Uploaded by on Jun 10, 2009

It produces sodium hydroxide solution, chlorine gas and hydrogen gas.
I used DC 12V instead of 9V batteries (last time).
I was dumb enough to smell the chlorine gas.... LOL..
Now, i used my uncle's Nikon D90 to shoot the video.
Still seems low quality, but it's the best in all my videos.

The chlorine in the test tube I shot in the video seems faint.
The camera white balanced it...

I'll make a evidence video that the chlorine HAS produced later.

Enjoy!
Please rate and comment.

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Science & Technology

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Uploader Comments (asianspark)

  • Tip: You can get some good carbon rods out of an old 6V lantern battery.

  • @mikegLXIVMM Yeah I know. I was too lazy to pry open it so I used pencils. Much more easier but it's kinda hard to connect.

  • I ment water not WASTER

  • It wasnt faint after that.

    I used 2mol of Sodium Chloride solution.

    And, you CAN remove it.

    I tried it and i was fed up because it kept breaking apart.

    Just use a blade and slice it.

    Continue all the sides and you can pull out the graphite.

    Anyway, my chlorine did not dissolve into the waster.

    PH was about ~10

    Due to Sodium Hydroxide produced.

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All Comments (14)

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  • @asianspark i use pencils but u know how i get all of graphite out of a pencil i pour lighter floud and set pencil on fire then when its all ash the carbongraphite rod wont burn and u can get it out of the asdh and its whole

  • @Oinikis electrodes i mean

  • @InfiniteGravity Hypochlorite only form when soliution is being mixed or they are very close to each other. they are far away enough.

  • Because your electrodes aren't separated by a membrane your Cl2 will react with NaOH to produce sodium hypochlorite if I'm not mistaken. So you'll be lucky to get much NaOH. And to clear something up in the comments -H and Cl2 don't have to be burned to produce HCL. Actually that doesn't make any sense. In fact, if your gases have a chance to mix they will quickly react to form HCl gas. Needless to say you don't wanna be breathing that in.

  • say doc, what's cookin'?

  • @asianspark

    Does the graphite last long?

    Maybe they are better in that way.

    I know that the carbon rods from batteries eventually erode and I have to replace them. I want to eventually build a table top "Nelson cell" so I can produce my own chlorine in useful amounts.

  • This is electrolysis of NaCl solution in water.

    Electrolysis of (pure, molten) NaCl itself gives completely different results.

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