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OCR A level chemistry - transition metal ion colours

Does anyone doing OCR A level chemistry know the colours of the transition metal ions in the 4th period aswell as the colour changes that take place during their ligand substitution reactions, my textbook says one thing and although my CGP revision guide has some the same, quite a few are different, I have also looked through some past questions along with the mark schemes and it seems to be more similar to the revision guide than the textbook but it varies, the specification doesn’t give much guidance so does anyone know which colours are correct, thanks
Reply 2
Thanks, do you know the colours for the others such as cobalt or any other websites that include them?
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Reply 4
Thank you so much
Original post by Madasahatter
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