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Question
BrF5 molecule is an interhalogen compound.
What is the structure of the given molecule?
Options
Pentagonal bipyramidal
Square pyramidal
square planar
Tetrahedral
MCQ
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Solution
Square pyramidal
Explanation:
In BrF5, bromine is the central atom with 7 valence electrons. It forms 5 bonds with fluorine atoms and has 1 lone pair. Total electron pairs = 6 ⇒ sp3d2 hybridisation, which gives an octahedral electron geometry, but due to one lone pair, the molecular shape becomes square pyramidal.
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Chapter 7: p-Block Elements - QUESTIONS FROM ISC EXAMINATION PAPERS [Page 461]
