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Identify the incorrect statement related to PCl5 from the following:

1. Three equatorial P – Cl bonds make an angle of 120° with each other
2. Two axial P – Cl bonds make an angle of 180° with each other
3. Axial P – Cl bonds are longer than equatorial P – Cl bonds
4. PCl5 molecule is non-reactive

Correct answer: PCl5 molecule is non-reactive

Solution

PCl5 is reactive due to its ability to hydrolyze in the presence of water, forming H3PO4 and HCl. Thus, statement D is incorrect.

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