Assertion ( A) Phosphorus chlorides ( tri and penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols.
Reason (R) Phosphorus chlorides give pure alkyl halides.

Options

A. Assertion and reason both are correct and reason is correct explanation of assertion
B. Assertion and reason both are wrong statements
C. Assertion is correct but reason is wrong statement
D. Assertion is wrong but reason is correct statement.

Answer

B

Explanation

Asertion and reason both are wrong statements.
Correct Assertion Thionyl chloride le preferred over `PCl_(3)` and `PCI_(5)` for the preparation of alkyl chłorides from alcohols.
Correct Reason Thionyl chloride gives pure alkyl halide as other two products `(SO_(2)+ HCl)` are escapable gases.