Chemical Bonding And Molecular Structure Question 320
Question: In $ BrF_3 $ molecule, the lone pairs occupy equatorial positions to minimize
Options:
A) lone pair - bond pair repulsion only
B) bond pair - bond pair repulsion only
C) lone pair - lone pair repulsion and lone pair bond pair repulsion
D) lone pair - lone pair repulsion only
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Answer:
Correct Answer: C
Solution:
- In $ BrF_3 $ , both bond pairs as well as lone pairs of electrons are present. Due to the presence of lone pairs of electrons (Ip) in the valence shell, the bond angle is contracted and the molecule takes the T- shape. This is due to greater repulsion between two lone pairs or between a lone pair and a bond pair than between the two bond pairs.
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