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Among ROH and R'OH, ROH is basic and R'O...

Among ROH and R'OH, `ROH` is basic and R'OH is acidic. How is `R` different from `R^(prime)` ?

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When `R` is ạn.alkyl group `ROH` behaves as a Bronsted base and `R^(prime)` is an aryl group `R^(prime) OH` behảves as as a Bronsted acid.
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