Match List I with List II

List I (Structural characteristics of the minerals)	List II (Type of clay mineral)
A. Presence of K ion in the interlayer space of crystal structure in clay	I. Vermiculite minerals
B. Mg ions are adsorbed between the crystal units of clay minerals	II. Smectite
C. Presence of one brucite layer (Mg(OH)₂) along with 2:1 type of clay mineral in the crystal lattice	III. Illite
D. 2:1 type of expanding minerals	IV. Chlorite

Choose the correct answer from the options given below:

Correct option is C

A → III (Illite): Illite has K⁺ ions in the interlayer, making it non-expanding.
B → I (Vermiculite): Mg²⁺ ions are adsorbed between layers, giving it intermediate expansion.
C → IV (Chlorite): Has a characteristic brucite layer in addition to the 2:1 structure.
D → II (Smectite): Includes minerals like montmorillonite, which exhibit high swelling due to their expanding nature.