(D) Zeolites are aluminosilicates in which some $SiO_4^{4-}$ units are replaced by $AlO_4^{5-}$ and $AlO_6^{9-}$ ions,creating a framework with negati

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In zeolites,no $SiO_4^{4-}$ units are replaced by $AlO_4^{5-}$ and $AlO_6^{9-}$ ions.

(D) Zeolites are aluminosilicates in which some $SiO_4^{4-}$ units are replaced by $AlO_4^{5-}$ and $AlO_6^{9-}$ ions,creating a framework with negative charge that is balanced by cations.

Class 11 Chemistry p-Block Elements (Class 11)Carbon family

Medium

Which of the following statements about zeolites is incorrect?

A
They are used as cation exchangers.
B
They have a structure that can accommodate small molecules.
C
Zeolites are aluminosilicates that have a three-dimensional network structure.
D
In zeolites,no $SiO_4^{4-}$ units are replaced by $AlO_4^{5-}$ and $AlO_6^{9-}$ ions.