VSEPR shape of PCl5

How to find the shape of Phosphorous pentachloride using VSEPR theory?

Step 1: Use lewis structure guidelines to draw the lewis structure of PCl5.
lewis-PCl5

Step2: Apply VSEPR notation, A X E
A=Number of central atoms
X=Number of surrounding atoms
E= Number of lone pairs on central atom

For the above molecule VSEPR notation will be AX5

Step 3: Use VSEPR table to find the shape. AX5 Trigonal Bipyramidal shape. So the shape of PCl5 molecule is Trigonal Bipyramidal.
Download a copy of VSEPR shapes table here.

Bond angle in PCl5

Bond angle of Cl-P-Cl covalent bond in this molecule is 120º.The representation is shown below.
pcl5-molecularshape
Image courtesy:wikipedia.com

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