MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions
Identify the incorrect statement related to PCl₅ from the following: (NEET 2019)
A.Two axial P-Cl bonds make an angle of 180º with
B.Axial P-Cl bonds are longer than equatorial P-Cl
C.PCl₅ molecule is non-reactive.✓ Correct
D.Three equatorial P-Cl bonds make an angle of 120º
Explanation
In gaseous and liquid phases, PCl₅ has a trigonal bipyramidal structure with sp3d-hybridisation. Due to presence of longer and weaker axial bonds, PCl₅ is a reactive molecule. Hence, statement in option (c) is incorrect while the remaining options contain correct statements.
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