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Class 11 NEET Chemistry Some P-block Elements Questions
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Question : 41
Total: 58
Which one of the following statements about the zeolite is false?
(2004)
They are used as cation exchangers.
They have open structure which enables them to take up small molecules.
Zeolites are aluminosilicates having three dimensional network.
Some of the
S
i
O
4
4
−
units are replaced by
A
l
O
4
5
−
and
A
l
O
6
9
−
ions in zeolites.
Validate
Solution:
Zeolites have
S
i
O
4
and
A
l
O
4
tetrahedrons, linked together in a three dimensional open structure in which four or six membered rings predominate. Due to open chain structure, they have cavities and can take up water and other small molecules.
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