Question

On the illustration above , you have a diagram of paper chromatography . The ink spots are represented at the bottom of the paper and the separated dyes are at different distances towards the top of the paper Why do the components of the dyes move to different heights?

a) Different molecules that make up dyes have different particle sizes and affinity for the paper and solvent.
b) Different dyes are made of a single molecule that breaks apart in the solution
c) Dyes separate on paper when they get wet
d) Filter paper has special properties that separates dye

Answer 1

A) Different molecules that make up dyes have different particle sizes and affinity for the paper and solvent.