Question

Spots of pure pigment A and B and a mixture Z were placed on a filter paper and allowed to dry. The paper was then dipped in a solvent and results obtained as follows on a paper chromatogram.

Which is the

1. Baseline
2. Solvent front
3. Which of the pure pigment was component of Z

Answer 1

1. D
2. C
3. It is at the same point in the paper chromatograph as component Z