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146 ACIDS AND BASES
Table 3.1 APPROXIMATE pKa VALUES OF WEAK HYDROCARBON ACIDS]
Compound
(Acidic H indicated) pKa2 Method3 References4
Cyclopentadiene
Indene
Phenylacetylene
Fluorene
Acetylene
Triphenylmethane Sz, S1,
R&U
Diphenylmethane
Cycloheptatriene
Toluene
Benzene
Ethylene
Cumene
