AIPMT PRELIMS2004Chemistry-Inorganic Chemistry
AIPMT PRELIMS 2004 Chemistry Zeolites MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following statements about the zeolites is false :-
A
They have open structure which enables them to take up small molecules
B
Zeolites are aluminosilicates having three dimensional network
C
Some of the SiO₄⁴⁻ units are replaced by AlO₄⁵⁻ and AlO₆⁷⁻ ions in zeolites
D
They are used as cation exchangers.
Correct Answer
Option C
Detailed Explanation
Zeolites are aluminosilicates where some SiO₄⁴⁻ units are replaced by AlO₄⁵⁻, not AlO₆⁷⁻, making option 3 incorrect.
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