AIPMT PRELIMS2006Chemistry-Chemical Bonding

AIPMT PRELIMS 2006 Chemistry Molecular Geometry MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following is not a correct statement?

A

The electron-deficient molecules can act as Lewis acids

B

The canonical structures have no real existence

C

Every AB₅ molecule does in fact have square pyramid structure

D

Multiple bonds are always shorter than corresponding single bonds

Correct Answer

Option C

Detailed Explanation

Not every AB₅ molecule has a square pyramidal structure. For example, PCl₅ has a trigonal bipyramidal structure. The shape depends on the central atom and the surrounding atoms.

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