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Which of the following compounds is the best proton acceptor?

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in Chemistry – Class 12 by (188k points)
Which of the following compounds is the best proton acceptor?

(a) Ethanol

(b) Phenol

(c) p-Cresol

(d) p-Nitrophenol

This question was posed to me in final exam.

This key question is from Alcohols and Phenols topic in section Alcohols, Phenols and Ethers of Chemistry – Class 12

1 Answer

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Best answer
Right choice is (a) Ethanol

To explain: Proton acceptor indicates the basic nature of the compound. Ethanol is the only alcohol in the given compounds, and it is the least acidic, because phenols are more acidic than alcohols due to their stability through resonance structures.

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