Fe2+ and Fe3+ can be distinguished by : — Qualitative and Quantitative Analysis Chemistry Question

💡 Solution & Explanation

K3[Fe(CN)6] gives Turnbull's blue with Fe2+ and brown with Fe3+. K4[Fe(CN)6] gives white ppt with Fe2+ and Prussian blue with Fe3+. KSCN gives no colour with Fe2+ and blood red with Fe3+.