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Question:

Identify the incorrect statement related to PCl5 from the following: A. Three equatorial P−Cl bonds make an angle of 120° with each other. B. Two axial P−Cl bonds make an angle of 180° with each other. C. PCl5 molecules is non-reactive. D. Axial P−Cl bonds are longer than equatorial P−Cl bonds.

Three equitorialP−Clbonds makes an angle of120owith each other

Two axialP−Clbonds make an angle of180owith each other

PCl5molecules is non reactive

AxialP−Clbonds are longer than equatorialP−Clbonds

Solution:

Correct option is D. PCl5 molecules is non-reactive
(1) True
(2) True
(3) True
(4) False
Due to longer and hence weaker axial bonds, PCl5 is a reactive molecule.