Without looking at Table 24.2, rank the following compounds in order of ascending basicity. (a) p-Nitro aniline,
Question:
Without looking at Table 24.2, rank the following compounds in order of ascending basicity.
(a) p-Nitro aniline, p-aminobenzaldehyde, p-Bromoaniline
(b) p-Chloroanilinc, p-aminoacetophenone, p-methyl aniline
(c) p-(Trifluoromethyl) aniline, p-methyl aniline, p-(fluoro methyl)aniline
Transcribed Image Text:
Table 24.2 Base Strength of Some p-Substituted Anilines -NH2 + H20 NH3 "OH Substituent, Y pKa -NH2 Stronger base 6.15 5.34 Activating groups -OCH3 -CH3 5.08 4.63 3.98 -Ci -Br 3.86 Deactivating groups -CN 1.74 Weaker -NO2 1.00 base
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