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Homework Help: Chemistry - Blue Printing Experiment

Posted by Bam on Saturday, January 29, 2011 at 3:31am.

Which of the two reactions in Blue Printing is an oxidation-reduction reaction? What is the oxidizing agent and the reducing agent?

Fe^3+ + C204^-2 (oxalate) -> Fe^2+ + CO3
Fe^2+ + Fe (CN)6^-2 -> Fe3[Fe(CN)6]2

Can the second reaction occur in the absence of light? Explain please!

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