The effect of concentration changes of the Iron / Thiocyanate equilibria

A8.1b Iron and Thiocyanate Equilibria

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Iron(III) ions (yellow) and thiocyanate ions(colourless) react in solution to produce a blood red coloured complex. This video demonstrates the shifting of the position of equilibrium with Iron(III) ions, Thiocyanate ions and Ammonium chloride.

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For further information see Salters Advanced Chemistry, 2000, Activities and Assessment Pack, Second Edition, ISBN 0 435 631217