Mains 2018
Q.19. Two compounds I and II are eluted by column chromatography (adsorption of I > II). Which one of following is a correct statement?
1. II moves faster and has higher $R_f$ value than I
2. I moves faster and has higher $R_f$ value than II
3. I moves slower and has higher $R_f$ value than II
4. II moves slower and has higher $R_f$ value than I