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Phenols does not protonation reactions r...

Phenols does not protonation reactions readily-Give reason.

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In Phenol, the lone pair of electron on the oxygen atom are delocalised due to resonance, hence are not easily available for protonation.
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Knowledge Check

  • Assertion (A): Haloarenes do not undergo nucleophilic substitution reactions readily. Reason (R): The C - X bond in aryl halides is short and stronger and also the aromatic ring is a centre of high electron density.

    A
    Both (A) and (R) are correct and (R) is the correct explanation of (A).
    B
    Both (A) and (R) are correct but (R) is not the correct explanation of (A).
    C
    (A) is correct but (R) is wrong.
    D
    (A) is wrong but (R) is correct.

  • Proton - Proton chain reaction is an example of:

    A
    Nuclear fission
    B
    `alpha` - decay
    C
    Nuclear fusion
    D
    `beta` - decay

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