Question

Which of the following statement about zeolites is not correct?

• A. Zeolites are open structures of silica in which trivalent aluminium is substituted by a fractions of silicon atoms.
• B. Shape selectivity of zeolites depends upon porous structure of the catalyst.
• C. Zeolites are synthetic microporous aluminosilicates which do not exist naturally.
• D. Zeolites are aluminosilicates having three dimensional network.

Answer 1

Answer: (C)

Zeolites are synthetic microporous aluminosilicates which do not exist naturally.

Answer 2

Zeolites are naturally occurring or synthetic microporous aluminosilicates.