Chem 310 - Acidity and pKa Reference Values

A complete set of vocabulary flashcards detailing pKa values for inorganic and organic compounds in water from Chapter 4.

Hydrogen Fluoride ($HF$)

An acid with a $pK_a$ value of $3.2$ in $H_2O$.

Hydrogen Chloride ($HCl$)

An acid with a $pK_a$ value of $-7$ in $H_2O$.

Hydrogen Bromide ($HBr$)

An acid with a $pK_a$ value of $-8$ in $H_2O$.

Hydrogen Iodide ($HI$)

An acid with a $pK_a$ value of $-10$ in $H_2O$.

Water ($H_2O$)

A compound with a $pK_a$ value of $15.7$ in $H_2O$.

Ethanol

An alcohol with a $pK_a$ value of $15.9$ in $H_2O$.

Ammonia ($NH_3$)

A compound with a $pK_a$ value of $38$ in $H_2O$.

Ethane ($sp^3$)

An $sp^3$-hybridized alkane ($H_3C-CH_3$) with a $pK_a$ value of $51$ in $H_2O$.

Hydrogen ($H_2$)

A diatomic molecule ($H-H$) with a $pK_a$ value of $35$ in $H_2O$.

Ethene ($sp^2$)

An $sp^2$-hybridized alkene ($H_2C=CH_2$) with a $pK_a$ value of $44$ in $H_2O$.

Ethyne ($sp$)

An $sp$-hybridized alkyne ($HC \equiv CH$) with a $pK_a$ value of $25$ in $H_2O$.

Benzoic Acid

An aromatic carboxylic acid with a $pK_a$ value of $4.2$ in $H_2O$.

Phenol

An aromatic compound with a $pK_a$ value of $10$ in $H_2O$.

Ammonium Salt ($\text{NH}_4^+$)

An ammonium salt cation with a $pK_a$ value of $9$ in $H_2O$.

Methylammonium Salt ($\text{H}_3\text{C-NH}_3^+$)

An alkylammonium salt cation with a $pK_a$ value of $11$ in $H_2O$.

Sulfuric Acid

An inorganic acid with a $pK_a$ value of $-5$ in $H_2O$.

Nitric Acid

An inorganic acid with a $pK_a$ value of $-1.5$ in $H_2O$.

Phosphoric Acid

An inorganic acid with a $pK_a$ value of $2$ in $H_2O$.