The set-up shown in the diagram below was used to separate a drop of universal indicator into the constituent dyes using ethyl ethanoate as the solvent. (a)...
Question 1 Report
The set-up shown in the diagram below was used to separate a drop of universal indicator into the constituent dyes using ethyl ethanoate as the solvent.
(a) What name is given to the separate strated in the diagram?
(b) State: (i) how many components are resolved in the separation;
(ii) the material normally used in laborary as the adsorbent medium;
(iii) which of the labels the point of application of the indicator.
Answer Details
(a) Paper chromatography.
(b)
(i) Three components are resolved.
(ii) Chromatography paper (filter paper/cellulose) is the adsorbent medium normally used in the laboratory.
(iii) Label III marks the point of application of the universal indicator.
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