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Resource Book for Sixth-Form Practical Chemistry

Experiment 4

Synthesis of Ferrate(VI) Ions

image: Household Bleaching Solution Household Bleaching Solution (6% NaOCl)
image: Mixture of the bleaching solution and NaOH Mixture of the bleaching solution and NaOH
image: 0.3M FeCl3 solution added to the NaOCl/NaOH solution Purple FeO42- formed in the mixture 0.3M FeCl3 solution added to the NaOCl/NaOH solution

Purple FeO42- formed in the mixture
close-up image: 0.3M FeCl3 solution added to the NaOCl/NaOH solution Purple FeO42- formed in the mixture
image: FeO42- solution added to ethanol, 2M H2SO4 and K2Cr2O7 solution respectively. FeO42- solution added to ethanol, 2M H2SO4 and K2Cr2O7 solution respectively.

2004 Department of Chemistry, The Chinese University of Hong Kong