Question
The correct statement regarding the basicity of arylamines is:
Arylamines are generally more basic than alkylamines because the lone-pair electrons of nitrogen are not delocalized by interaction with the aromatic ring -electron system.
Arylamines are generally more basic than alkylamines because of the aryl group +I effect.
Arylamines are generally more basic than alkylamines because the nitrogen atom in arylamines is sp-hybridized.
Arylamines are generally less basic than alkylamines because the nitrogen lone-pair electrons are delocalized by interaction with the aromatic ring -electron system.
Arylamines (like aniline) are less basic than alkylamines. In arylamines, the group is directly attached to the benzene ring. The unshared pair of electrons on the nitrogen atom is in conjugation with the -electron system of the benzene ring and is thus delocalized through resonance. This decreases the electron density on the nitrogen atom, making the lone pair less available for protonation compared to alkylamines, where the alkyl groups exert a +I (electron-donating) effect, increasing the basicity.
This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Amines. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.
More Amines Questions
The products formed when Aniline reacts with $Br_2$ water, and $NaNO_2/HCl$ will be, respectively:
Aniline gives a set of the following reactions that yielded a coloured product 'Y'. The structure of 'Y' is: (Note: Reaction scheme is missing from the provided text)
The structure of C in the below-mentioned reaction is: (Note: Reaction scheme is missing from the provided text)
What results from the electrolytic reduction of nitrobenzene in a highly acidic medium?
The reagent required to convert acetamide into methyl amine is:
D is N-methyl aniline in the given below sequence of reaction: $A \xrightarrow{\text{reduction}} B \xrightarrow{CHCl_3/KOH} C \xrightarrow{\text{reduction}} D$. Structure of A can be:
Which of the following statements about primary amines is false?
What is the correct order of the methyl-substituted amines' basic strength in an aqueous solution?
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