AIIMS 2002 Chemistry Acidity of Alcohols and Phenols Assertion Reason Question
Assertion : Phenol is a weak acid than ethanol.
Reason : Groups with +M effect and –I effect decrease acidity at m-position.
If both the assertion and reason are true and the reason is a correct explanation of the assertion.
If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
If the assertion is true but the reason is false.
If both the assertion and reason are false.
Correct Answer
Detailed Explanation
Phenol is a stronger acid than ethanol. This is due to the resonance stabilisation of the phenolate ion which is produced after deprotonation.
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