Which of the following ways is used for classification of chromatography?

Explanation

Chromatography can be classified based on different mechanisms used for the separation of components in a mixture. These mechanisms include various types such as:Adsorption Chromatography: Separation based on the adsorption of compounds onto a stationary phase.Partition Chromatography: Separation based on differences in partitioning behavior between a mobile and a stationary phase.Ion-exchange Chromatography: Separation based on ionic interactions between charged compounds and a stationary phase carrying opposite charges.Size-exclusion Chromatography: Separation based on differences in molecular size and shape, allowing smaller molecules to enter pores of the stationary phase while larger molecules pass through faster.Why other options are incoorect:(a) Shape: Chromatography isn't primarily classified based on shape. While the shape of molecules might influence their behavior in certain chromatographic techniques, it's not a primary classification method for chromatography.(b) Phase: Refers to the different phases used in chromatography (stationary and mobile), which are integral to the process but don't constitute a classification method for chromatography itself.(d) All: While chromatography encompasses various aspects such as the shape of molecules and phases used, the primary classification is based on the mechanism by which separation occurs, making (c) mechanism the most fitting choice for the classification of chromatography.