JEE Main levelSingle correct optionDifficulty 2 of 3mt181
Column chromatography separates the components of a mixture mainly because
Aone component forms a volatile compound
Bdifferent components are adsorbed to different extents on the adsorbent
Cthe components have different electrical conductivities
Dthe components have different melting points
Answer: B
Components are held on the adsorbent (alumina) with different strengths and are eluted at different rates by the moving solvent, so they separate into bands.