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Phenol is approximately how much times acidic than ethanol?

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in Chemistry – Class 12 by (188k points)
Phenol is approximately how much times acidic than ethanol?

(a) 10

(b) 25

(c) 100

(d) million

The question was asked in an interview for job.

I want to ask this question from Alcohols and Phenols in chapter Alcohols, Phenols and Ethers of Chemistry – Class 12

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Best answer
The correct choice is (d) million

Best explanation: Phenol is more acidic than alcohols because of their better stability and resonant structures. The pKa values of phenol and ethanol are 10 and 15.9 respectively, which when converted to Ka values gives a ratio of about a million.

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