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    hey
    im learning about transition metals and apparently cr3+ is seen as purple colour and not green for the new ocr spec , could someone clear this up for me because in the revision guide it says its green ?

    thank you
    ;p
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    (Original post by Sadilla)
    hey
    im learning about transition metals and apparently cr3+ is seen as purple colour and not green for the new ocr spec , could someone clear this up for me because in the revision guide it says its green ?

    thank you
    ;p
    There's a little about it at the bottom here http://www.ocr.org.uk/qualifications...y-a-h032-h432/
    It seems it can be either purple or green, and comes down to the state that the ion is in?
    At least that's my interpretation, but it's been 4-5 years since I did Chemistry and spent most of my lessons not paying enough attention!
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    (Original post by JamesP1995)
    There's a little about it at the bottom here http://www.ocr.org.uk/qualifications...y-a-h032-h432/
    It seems it can be either purple or green, and comes down to the state that the ion is in?
    At least that's my interpretation, but it's been 4-5 years since I did Chemistry and spent most of my lessons not paying enough attention!
    thank youuuu soo muchh :P helped alot
 
 
 
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