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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