1.

The basicity of aniline is less than that of cyclohexylamine. This is due to

Answer»

`+R` - effect of `-NH_(2)` group
`-I` effect of `-NH_(2)` group
`-R` effect of `-NH_(2)` group
HYPERCONJUGATION effect

Solution :`-NH_(2)` has a `+R` effect, it DONATES electrons to the benzene ring. As a RESULT of resonance, the lone pair of electrons on the N atom gets delocalized over the benzene ring and thus it is less readily AVAILABLE for protonation. Hence aniline is a weaker base than cyclohexyl amine.


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