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Assertion ( A) Phosphorus chlorides ( tr...

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.

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.

Text Solution

Verified by Experts

The correct Answer is:
B
Correct statement. Thionyl chloride is preferred over phosphorus chlorides (tri and penta) for the preparation of alkyl chlorides from alcohols.
Correct reason. Thinyl chloride gives pure alkyl chlorides.
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Explore conceptually related problems

Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because

In the Darzen’s process for the preparation of alkyl chlorides, alcohols react with:

In the Darzen’s process for the preparation of alkyl chlorides, alcohols react with:

Best method of preapring alkyl chloride is

Reaction With Phosphorus Pentachloride Or Thionyl Chloride

Knowledge Check

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

    A
    Assertion and reason both are correct and reason is correct explanaion 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.

  • This section contains Assertion and Reason type questions. Each question has 4 choices (1), (2), (3) and (4), out of which only one ts correct. Assertion (A) Phosphorus chlorides (tri and penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols, Reason (R) Thionyl chloride gives pure alkyl halides,

    A
    Both Assertion and Reason are correct and Reason Is the correct explanation of the Assertion
    B
    Both Assertion and Reason are correct but Reasan Is not the correct explanation of Assertion
    C
    Assertion Is correct but Reason is Incorrect
    D
    Both Assertion and Reason are incorrect

  • Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because

    A
    The reaction goes to completion
    B
    The byproducts being gases, escape, hence there is no problem of separation of the product
    C
    The reagent is chape
    D
    None of the above
    • PRADEEP-HALOALKANES AND HALOARENES-NCERT EXEMPLAR PROBLEMS WITH ANSWERS, HINTS AND SOLUTIONS (Assertion and reason type questions)
    1. Assertion ( A) Phosphorus chlorides ( tri and penta) are preferred ove...

      Text Solution

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