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Question
Which of the following reaction proves the chlorinating property of phosphorus pentachloride?
Options
\[\ce{PCl5 + H2O -> POCl3 + 2HCl}\]
\[\ce{2PCl5 + Sn -> SnCl4 + 2PCl3}\]
\[\ce{PCl5 -> PCl3 + Cl2}\]
\[\ce{P4 + 10Cl2 -> 4 PCl5}\]
MCQ
Solution
\[\ce{PCl5 -> PCl3 + Cl2}\]
Explanation:
The trigonal bipyramidal structure of phosphorus pentachloride, in which the P - CI
(axial) bonds are somewhat larger than the P - CI (equatorial) bonds, renders the molecule particularly unstable. It serves as a chlorinating agent when it dissociates, releasing two chlorine atoms from the axial bond.
(axial) bonds are somewhat larger than the P - CI (equatorial) bonds, renders the molecule particularly unstable. It serves as a chlorinating agent when it dissociates, releasing two chlorine atoms from the axial bond.
\[\ce{PCl5 -> PCl3 + Cl2 ->}\] act as chlorinating agent
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Methods of Preparation of Alkyl Halides
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