Rina fuses a sample with sodium and boils the extract… | StemPy Lab

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Rina fuses a sample with sodium and boils the extract… | StemPy Lab

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Rina fuses a sample with sodium and boils the extract with iron(II) sulphate. She acidifies it, and a deep blue colour appears. What does this show?

ChemistryEasyHigh School (11–12)Organic Chemistry: Some Basic Principles and Techniques › Purification and Analysis of Organic Compounds A-Level IB

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Rina fuses a sample with sodium and boils the extract with iron(II) sulphate. She acidifies it, and a deep blue colour appears. What does this show?

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← On a paper chromatogram the solvent front rose 11.0 cm and a pigment spot rose 8.8 cm, both from the starting line. What is the Rf of the pigment?Which reagent gives a violet colour with the sulphide ion in a sodium fusion extract? →

More onOrganic Chemistry: Some Basic Principles and Techniques › Purification and Analysis of Organic Compounds

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