QUESTION (i) (a) ONE (20 MARKS) In paper chromatographic separation of silver, lead and mercury, the...
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QUESTION (i) (a) ONE (20 MARKS) In paper chromatographic separation of silver, lead and mercury, the solvent front was 18cm while fronts due to these elements were respectively 16, 12 and 16cms. Calculate Re value of all metals [2 marks] (ii) In a particular thin layer chromatographic separation, the Revalue of an unknown compound was 0.809. The fronts, due to compound A, B, C were 24,28, 30 cms and the solvent front was 34 cms. Identify the unknown compound [2 marks] QUESTION (i) (a) ONE (20 MARKS) In paper chromatographic separation of silver, lead and mercury, the solvent front was 18cm while fronts due to these elements were respectively 16, 12 and 16cms. Calculate Re value of all metals [2 marks] (ii) In a particular thin layer chromatographic separation, the Revalue of an unknown compound was 0.809. The fronts, due to compound A, B, C were 24,28, 30 cms and the solvent front was 34 cms. Identify the unknown compound [2 marks]
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Related Book For
Accounting
ISBN: 978-1118608227
9th edition
Authors: Lew Edwards, John Medlin, Keryn Chalmers, Andreas Hellmann, Claire Beattie, Jodie Maxfield, John Hoggett
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