Which of the following statement about zeolite is false? Options: A . &nbspThey are used as cation exchangers B . &nbspThey have open structure which enables them to take up small molecules C . &nbspZeolites are aluminosilicates having three dimensional network D . &nbspSome of the SiO4−4 units are repalced by AlO5−4 and AlO9−6- ions in zeolite

Which of the following statement about zeolite is false?

Question

Which of the following statement about zeolite is false?

Options:

A . They are used as cation exchangers

B . They have open structure which enables them to take up small molecules

C . Zeolites are aluminosilicates having three dimensional network

D . Some of the SiO4−4 units are repalced by AlO5−4 and AlO9−6- ions in zeolite

Answer: Option D
:
D

A l O_{4}^{5 -}

ion has nearly the same size as the

S i O_{4}^{4 -}

ion and can replace the latter from silicates provided electrical neutrality is maintained.

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