What is shape of BrF_5 molecule?

MHT CET 2025 Chemistry question

What is shape of molecule?

(A)Trigonal pyramidal
(B)Square planer
(C)Square pyramidalCorrect
(D)Bent 'T' shape

Answer: (C)

Solution

Bromine (group 17) has 7 valence electrons. In , five are used for the five Br-F bonds, leaving one lone pair. Total electron pairs , so hybridisation is and the electron-pair geometry is octahedral. With one position occupied by

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Question ID VK-101179