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in Chemical Bonding and Molecular Structure by (15 points)
edited by

Which one of the following molecules will have unequal bond length?
(1) NF3 (2) PF3 (3) PCl5 (4) SF6

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1 Answer

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PCI5 has a trigonal bipyramidal structure with two types of covalent bonds, axial bonds and equatorial bonds. Due to greater repulsive interactions the length of axial bonds is more.

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