Question

K fixing power of clay minerals follow the order
(A). Illite
(B). Montmorillonite
(C). Kaolinite
(D). Vermiculite
Choose the correct answer from the options given below:

• A. (A), (B), (C), (D)
• B. (D), (A), (B), (C)
• C. (B), (A), (D), (C)
• D. (C), (B), (D), (A)

Hint:

Remember that non-expanding 1:1 clays like kaolinite do not fix potassium. Fixation is a characteristic feature of 2:1 clays, with vermiculite having the highest capacity due to its high layer charge.

Answer 1

The Correct Option is B