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What is the correct relation between acidic strength of primary, secondary and tertiary alcohols?

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What is the correct relation between acidic strength of primary, secondary and tertiary alcohols?

(a) 1°>2°>3°

(b) 1°<2°<3°

(c) 1°=2°=3°

(d) 1°>3°>2°

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

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Right option is (a) 1°>2°>3°

The best I can explain: Alkyl groups are electron releasing groups and tend to increase the electron density on oxygen and reduce the polarity of O-H bond. So, the greater the number of alkyl groups present, lesser will be the tendency to release protons, and therefore weaker will be the acidic strength.

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