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in Geotechnical Engineering I by (102k points)
The illite crystal has a great tendency of _______________ properties.

(a) Swelling

(b) To split in to ultimate platelets

(c) High shrinkage

(d) None of the mentioned

This question was posed to me in an interview for job.

The origin of the question is Clay Minerals in division Soil Structure and Clay Minerology of Geotechnical Engineering I

1 Answer

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Best answer
Right choice is (b) To split in to ultimate platelets

Explanation: The cationic bond of illite is weaker than the hydrogen bond of kaolinite, but is stronger in water bond. Due to this, illite crystal has a great tendency to split in to ultimate platelets.

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