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The channel diameter of zeolite cages usually lies in which range?
A20 to 90 Å
B0.2 to 0.9 Å
C200 to 900 Å
D2 to 9 Å
Answer & Solution
Correct answer: D. 2 to 9 Å
Zeolite channels are only a few angstroms wide, about 2 to 9 Å, which lets them act as molecular sieves.
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