pKa

pKa

DMSO, pKa =37

NH3, pKa = 33

 

 

Acid의 pKa data

 

1. HCIO4, pKa = -10

2. HBr, pKa = -9

3. HNO3, pKa = -1.3

4. HF, pKa = 3.2

 

Strong acid는 Ka > 0, pKa < 0 -- HCl(-7), HBr(-9), HI(-11), HClO4(-10), HNO3(-1.3)
Weak acid는 Ka < 0, pKa >0 -- HF(3.2)

 

Base의 pKa data

 

1. Butyllithium, pKaH of C4H9- = 50

2. Phenyllitium, pKaH od C6H4- = 43

3. Potassium t-butoxide, pKaH of (CH3)3CO- = 19

4. Sodium phenoxide, pKaH of C6H5O- = 10

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