All of the above Explanation: Zeolites are microporous aluminosilicates with the general formula Mx/n [(AlO2)x (SiO2)y] · mH2O, where (M) is a metal cation. They have pore sizes between 260-740 pm, which contribute to their shape-selective catalytic properties.

English

Zeolite: (a) are microporous aluminosilicates. (b) have general formula Mx/n [(AlO2)x (SiO2)y] · mH2O. (c) have a pore size between 260-740 pm. d) all of the above - Chemistry (Theory)

Question

Zeolites:

Options

are microporous aluminosilicates.
have general formula M_x/n [(AlO₂)_x (SiO₂)_y] · mH₂O.
have a pore size between 260-740 pm.
all of the above

MCQ

Solution

All of the above

Explanation:

Zeolites are microporous aluminosilicates with the general formula M_x/n [(AlO₂)_x (SiO₂)_y] · mH₂O, where (M) is a metal cation. They have pore sizes between 260-740 pm, which contribute to their shape-selective catalytic properties.

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Chapter 5: Surface Chemistry - OBJECTIVE (MULTIPLE CHOICE) TYPE QUESTIONS [Page 322]