Organic Chemistry I (CHE 230) - Acidity of Functional Groups

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These flashcards cover the key pKa values of various functional groups important for understanding acidity in Organic Chemistry.

Last updated 4:26 AM on 4/22/26
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12 Terms

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Alkane

≥ 50

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Ammonia (NH₃)

About 10

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Hydronium (H₃O⁺)

Approximately -1.7 (exact value: -1.7(ex))

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Carboxylic acid

Around 5

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Primary amine (1º-amine)

About 10

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Phenol

Approximately 10.

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Thiol (R-S-H)

Approximately 10.

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Sulfuric acid

Approximately -2.8 (exact value: -2.8(ex))

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Alcohols

Around 15.7

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Amides

Around 15.

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2º-Carbocation

About -18.5

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1º-Carbocation

About -24.8