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Chemistry
Which of the following molecules will have unequal bond lengths?
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Q. Which of the following molecules will have unequal bond lengths?
KEAM
KEAM 2000
A
$ N{{F}_{3}} $
B
$ B{{F}_{3}} $
C
$ P{{F}_{5}} $
D
$ S{{F}_{6}} $
E
$ Si{{F}_{4}} $
Solution:
$ P{{F}_{5}} $ molecule will have unequal bond length. In this geometry the equatorial bonds (2.04 A) are slightly shorter than axial bonds (2.19 A).