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Assertion (A): Alkyl aryl ethers on reac...

Assertion (A): Alkyl aryl ethers on reaction with HI give alkyl iodide phenols
Reason (R): Aryl - oxygen bond is weaker than alkyl oxygen bond

A

Both A and R aretrue and R is the correct explanation to A

B

Both A and R are true and R is not the correct explanation to A

C

A is true but R is false

D

A is false but R is true

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Assertion (A) : Alkyl isocyanides in acidified water give alkyl formamides Reason (R) : In isocyanides, carbon first acts as a nucleophile and then as an electrophile.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true but R is not a correct explanation of A.
    C
    A is true but R is false.
    D
    A is false but R is false.

  • Assertion: Styrence on reaction with HBr gives 1-bromo-1-phenylethane . Reason: Benzyl radical is more stable than alkyl redical .

    A
    If the the assertion and reason are true and reason is a true explanation of the assertion .
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion .
    C
    If the assertion is true but reason is false
    D
    If assertion is false but reason is true .

  • Assertion : When Alkyl aryl ethers react with excess of hydrogen halides, phenol and Alkyl halide are produced. Reason: Alkyl aryl ethers are cleaved at the Alkyl-oxygen bond due to more stable Aryl-oxygen bond.

    A
    if both assertioon and reason are true and reason is the corrct explanation of assertion.
    B
    If both assertion and reason are ture but reason is not the corrcet explanation of assertion.
    C
    If assertion is true but reason is false .
    D
    if both assertion and reason are false.

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    Assertion:Styrene on reaction with HBr gives 2-bromo-2-phenyl-ethane. Reason:Benzyl radical is more stable than alkyl radical

    Assertion (A): CIF is more reactive than F_(2) . Reason (R ): The F-F bons is weaker than CIF bond.

    Assertion : Reason : Alkyl arly ethers on reaction with halogen acids always from aryl halide due to formation of more stable carbocation.

    Assertion : Alkyl isocyanides in acidified water give alkyl formamides. Reason : In isocyanides, carbon first act as a nucleophile and then as electrophile.

    Assertion (A ) : Aryl halides undergo nucleophilic sunstitution reaction with ease. The carbon halogen bond in aryl halides has partial double bonds character.

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