Chemical Bonding And Molecular Structure Question 537

Question: In $ BrF_3 $ molecule,the lone pairs occupy equatorial positions to minimize [CBSE PMT 2004]

Options:

A) Lone pair- lone pair repuilsion and lone pair-bond pair repulsion

B) Lone pair- lone pair repulsion only

C) Lone pair- bond pair repulsion only

D) Bond pair- bond pair repulsion only

Show Answer

Answer:

Correct Answer: B

Solution:

Bent T-shaped geometry in which both lone pairs occupy the equatorial position of the trigonal bipyramidal here $ (l_{p}-l_{p}) $ repulsion = 0 $ (l_{p}-b_{p}) $ repulsion = 4 and $ (b_{p}-b_{p}) $ repulsion =2



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