Question

4. Phosphorus oxychloride, POCl3, is a type of industrial raw material. It is a colourless and

transparent liquid, and it has an unpleasant irritating odour. It will smoke intensely in

humid air.

(a) Draw all the possible Lewis structures for POCl3. [2 marks]

(b) Determine the most plausible structure from 4 (a). Explain your answer.

[4 marks]

(c) Predict, explain and label the molecular geometry and the bond angles of the structure

in 4(b) [4 marks]

(d) Deduce the polarity of the structure in 4(b). [6 marks]

Answer 1

Best diagrams are provided in the image below