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    Queen09's Avatar
    Queen09 Posts: 10, Reputation: 1
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    #1

    Jan 11, 2011, 03:59 AM
    Chemical Equation for corrosion of Iron in diff. set-ups
    what is the chemical equation for these situations..

    a) there is a straight iron nail in the solidified gelatin solution. The gelatin solution was prepared with phenolphthalein and K3Fe(CN)6.

    b) same scenario as with (a) but the nail is bent

    c) same with (a) but the nail has copper wire twisted around its middle part

    d) same with (c) but the nail has zinc instead of copper

    I know the results of each experiments but we were asked what are the chemical equations governing those situations. Please help.. thanks a lot..
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jan 11, 2011, 08:04 AM

    If you know the results, then what can you deduce?

    Do you know what colours that you see are responsible for the formation of which product?
    Queen09's Avatar
    Queen09 Posts: 10, Reputation: 1
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    #3

    Jan 11, 2011, 03:23 PM
    Comment on Unknown008's post
    There was blue and pink colours
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Jan 11, 2011, 09:54 PM

    Okay, good. What do you think the blue is due to? And what do you think the pink/pale purple colours are due to?
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