Potassium permanganate titration

Potassium permanganate titration

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This image is part of the sequence Science and technology: Potassium permanganate titration

Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Potassium permanganate titration. This is the start of a redox titration between oxalic acid (C2H2O4) and potassium permanganate (KMnO4) and the solution of oxalic acid is clear. To avoid the solution turning brown during the titration the solution should be warmed to 85 degrees Celsius or have sulphuric acid (H2SO4) added to it.

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Keywords: chemistry, conical flask, erlenmeyer flask, experiment, glassware, no-one, nobody, oxalic acid, potassium permanganate, reaction, redox, school science, science education, solution, still life, still-life, sulphuric acid, titration, white background

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