A given sample of ink is a mixture of red dye, blue dye and orange dye. The blue dye is least absorbed than the rest...

      

A given sample of ink is a mixture of red dye, blue dye and orange dye. The blue dye is least absorbed than the rest and the red dye is most sticky.

(a) Complete the paper chromatogram below showing their separation.


(b) The above dyes are soluble in water. Describe how a pure sample of blue dye can be obtained.
(c) Name the solvent used in paper chromatography.

  

Answers

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(a)

(b) - Wash the blue spot in the chromatogram with plenty of water.
- Evaporate the water to obtain the dye.

(c) Ethanol/propanone.

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maurice.mutuku answered the question on September 13, 2019 at 08:45

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