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JAMB Chemistry 2011 Question 4

Question 4

Separation of Mixtures

The principle of column chromatography is based on the ability of the constituents to

  1. A.move at different speeds in the column
  2. B.dissolve in each other in the column
  3. C.react with the solvent in the column
  4. D.react with each other in the column
Show the answer and explanation

Answer: A (move at different speeds in the column)

Explanation

Each component is held by the column material to a different extent, so they travel at different speeds and separate.