When ethanol reacts with PCl5, it gives

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Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Haloalkanes and Haloarenes

Question:

When ethanol reacts with PCl₅, it gives three products which include chloroethane and hydrochloric acid. What is the third product?

Options:

Phosphorus acid

Phosphoryl chloride

Phosphorus trichloride

Phosphoric acid

Correct Answer:

Phosphoryl chloride

Explanation:

The reaction of CH₃CH₂OH with PCl₅ yields CH₃CH₂Cl, POCl3 (phosphoryl acid) and HCl. This is a method of preparation of chloroalkanes from alcohols.