C-axis spacing of illite is
A. 72 nm
B. 100 nm
C. 140 nm
D. 180 nm
Answer: Option B
Solution(By Examveda Team)
IIIite is a group of closely related non-expanding clay minerals. It is a secondary mineral precipitate and its structure is a 2 : 1 sandwich of silica tetrahedron-alumina octahedron-silica tetrahedron layers. C-axis spacing of illite is $${\bf{100 \,nm \,or\, 10}}\mathop {\bf{\,A}}\limits^{\bf{O}} {\bf{.}}$$Related Questions on Soil Science
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